28117188

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 84651840

約数和(自身を除く): 56534652

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 37, 38, 44, 57, 66, 74, 76, 99, 101, 111, 114, 132, 148, 171, 198, 202, 209, 222, 228, 303, 333, 342, 396, 404, 407, 418, 444, 606, 627, 666, 684, 703, 814, 836, 909, 1111, 1212, 1221, 1254, 1332, 1406, 1628, 1818, 1881, 1919, 2109, 2222, 2442, 2508, 2812, 3333, 3636, 3663, 3737, 3762, 3838, 4218, 4444, 4884, 5757, 6327, 6666, 7326, 7474, 7524, 7676, 7733, 8436, 9999, 11211, 11514, 12654, 13332, 14652, 14948, 15466, 17271, 19998, 21109, 22422, 23028, 23199, 25308, 30932, 33633, 34542, 39996, 41107, 42218, 44844, 46398, 63327, 67266, 69084, 69597, 71003, 82214, 84436, 92796, 123321, 126654, 134532, 139194, 142006, 164428, 189981, 213009, 246642, 253308, 278388, 284012, 369963, 379962, 426018, 493284, 639027, 739926, 759924, 781033, 852036, 1278054, 1479852, 1562066, 2343099, 2556108, 3124132, 4686198, 7029297, 9372396, 14058594, 28117188]

約数ペア:

[(1, 28117188), (2, 14058594), (3, 9372396), (4, 7029297), (6, 4686198), (9, 3124132), (11, 2556108), (12, 2343099), (18, 1562066), (19, 1479852), (22, 1278054), (33, 852036), (36, 781033), (37, 759924), (38, 739926), (44, 639027), (57, 493284), (66, 426018), (74, 379962), (76, 369963), (99, 284012), (101, 278388), (111, 253308), (114, 246642), (132, 213009), (148, 189981), (171, 164428), (198, 142006), (202, 139194), (209, 134532), (222, 126654), (228, 123321), (303, 92796), (333, 84436), (342, 82214), (396, 71003), (404, 69597), (407, 69084), (418, 67266), (444, 63327), (606, 46398), (627, 44844), (666, 42218), (684, 41107), (703, 39996), (814, 34542), (836, 33633), (909, 30932), (1111, 25308), (1212, 23199), (1221, 23028), (1254, 22422), (1332, 21109), (1406, 19998), (1628, 17271), (1818, 15466), (1881, 14948), (1919, 14652), (2109, 13332), (2222, 12654), (2442, 11514), (2508, 11211), (2812, 9999), (3333, 8436), (3636, 7733), (3663, 7676), (3737, 7524), (3762, 7474), (3838, 7326), (4218, 6666), (4444, 6327), (4884, 5757)]