648215172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:994

約数の個数: 144

約数和(自身を含む): 1902438720

約数和(自身を除く): 1254223548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 101, 114, 132, 171, 198, 202, 209, 228, 303, 342, 396, 404, 418, 606, 627, 684, 836, 853, 909, 1111, 1212, 1254, 1706, 1818, 1881, 1919, 2222, 2508, 2559, 3333, 3412, 3636, 3762, 3838, 4444, 5118, 5757, 6666, 7524, 7676, 7677, 9383, 9999, 10236, 11514, 13332, 15354, 16207, 17271, 18766, 19998, 21109, 23028, 28149, 30708, 32414, 34542, 37532, 39996, 42218, 48621, 56298, 63327, 64828, 69084, 84436, 84447, 86153, 97242, 112596, 126654, 145863, 168894, 172306, 178277, 189981, 194484, 253308, 258459, 291726, 337788, 344612, 356554, 379962, 516918, 534831, 583452, 713108, 759924, 775377, 947683, 1033836, 1069662, 1550754, 1604493, 1636907, 1895366, 2139324, 2843049, 3101508, 3208986, 3273814, 3790732, 4910721, 5686098, 6417972, 6547628, 8529147, 9821442, 11372196, 14732163, 17058294, 18005977, 19642884, 29464326, 34116588, 36011954, 54017931, 58928652, 72023908, 108035862, 162053793, 216071724, 324107586, 648215172]

約数ペア:

[(1, 648215172), (2, 324107586), (3, 216071724), (4, 162053793), (6, 108035862), (9, 72023908), (11, 58928652), (12, 54017931), (18, 36011954), (19, 34116588), (22, 29464326), (33, 19642884), (36, 18005977), (38, 17058294), (44, 14732163), (57, 11372196), (66, 9821442), (76, 8529147), (99, 6547628), (101, 6417972), (114, 5686098), (132, 4910721), (171, 3790732), (198, 3273814), (202, 3208986), (209, 3101508), (228, 2843049), (303, 2139324), (342, 1895366), (396, 1636907), (404, 1604493), (418, 1550754), (606, 1069662), (627, 1033836), (684, 947683), (836, 775377), (853, 759924), (909, 713108), (1111, 583452), (1212, 534831), (1254, 516918), (1706, 379962), (1818, 356554), (1881, 344612), (1919, 337788), (2222, 291726), (2508, 258459), (2559, 253308), (3333, 194484), (3412, 189981), (3636, 178277), (3762, 172306), (3838, 168894), (4444, 145863), (5118, 126654), (5757, 112596), (6666, 97242), (7524, 86153), (7676, 84447), (7677, 84436), (9383, 69084), (9999, 64828), (10236, 63327), (11514, 56298), (13332, 48621), (15354, 42218), (16207, 39996), (17271, 37532), (18766, 34542), (19998, 32414), (21109, 30708), (23028, 28149)]