81359928

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86923}}^1$

素因数の和:86948

約数の個数: 48

約数和(自身を含む): 237302520

約数和(自身を除く): 155942592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 86923, 173846, 260769, 347692, 521538, 695384, 782307, 1043076, 1129999, 1564614, 2086152, 2259998, 3129228, 3389997, 4519996, 6258456, 6779994, 9039992, 10169991, 13559988, 20339982, 27119976, 40679964, 81359928]

約数ペア:

[(1, 81359928), (2, 40679964), (3, 27119976), (4, 20339982), (6, 13559988), (8, 10169991), (9, 9039992), (12, 6779994), (13, 6258456), (18, 4519996), (24, 3389997), (26, 3129228), (36, 2259998), (39, 2086152), (52, 1564614), (72, 1129999), (78, 1043076), (104, 782307), (117, 695384), (156, 521538), (234, 347692), (312, 260769), (468, 173846), (936, 86923)]