28877112

素因数分解:

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

素因数の和:162

約数の個数: 144

約数和(自身を含む): 90937080

約数和(自身を除く): 62059968

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 33, 36, 38, 44, 57, 66, 72, 76, 88, 99, 101, 114, 132, 152, 171, 198, 202, 209, 228, 264, 303, 342, 361, 396, 404, 418, 456, 606, 627, 684, 722, 792, 808, 836, 909, 1083, 1111, 1212, 1254, 1368, 1444, 1672, 1818, 1881, 1919, 2166, 2222, 2424, 2508, 2888, 3249, 3333, 3636, 3762, 3838, 3971, 4332, 4444, 5016, 5757, 6498, 6666, 7272, 7524, 7676, 7942, 8664, 8888, 9999, 11514, 11913, 12996, 13332, 15048, 15352, 15884, 17271, 19998, 21109, 23028, 23826, 25992, 26664, 31768, 34542, 35739, 36461, 39996, 42218, 46056, 47652, 63327, 69084, 71478, 72922, 79992, 84436, 95304, 109383, 126654, 138168, 142956, 145844, 168872, 189981, 218766, 253308, 285912, 291688, 328149, 379962, 401071, 437532, 506616, 656298, 759924, 802142, 875064, 1203213, 1312596, 1519848, 1604284, 2406426, 2625192, 3208568, 3609639, 4812852, 7219278, 9625704, 14438556, 28877112]

約数ペア:

[(1, 28877112), (2, 14438556), (3, 9625704), (4, 7219278), (6, 4812852), (8, 3609639), (9, 3208568), (11, 2625192), (12, 2406426), (18, 1604284), (19, 1519848), (22, 1312596), (24, 1203213), (33, 875064), (36, 802142), (38, 759924), (44, 656298), (57, 506616), (66, 437532), (72, 401071), (76, 379962), (88, 328149), (99, 291688), (101, 285912), (114, 253308), (132, 218766), (152, 189981), (171, 168872), (198, 145844), (202, 142956), (209, 138168), (228, 126654), (264, 109383), (303, 95304), (342, 84436), (361, 79992), (396, 72922), (404, 71478), (418, 69084), (456, 63327), (606, 47652), (627, 46056), (684, 42218), (722, 39996), (792, 36461), (808, 35739), (836, 34542), (909, 31768), (1083, 26664), (1111, 25992), (1212, 23826), (1254, 23028), (1368, 21109), (1444, 19998), (1672, 17271), (1818, 15884), (1881, 15352), (1919, 15048), (2166, 13332), (2222, 12996), (2424, 11913), (2508, 11514), (2888, 9999), (3249, 8888), (3333, 8664), (3636, 7942), (3762, 7676), (3838, 7524), (3971, 7272), (4332, 6666), (4444, 6498), (5016, 5757)]