138685456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 120

約数和(自身を含む): 352905984

約数和(自身を除く): 214220528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 169, 182, 208, 221, 238, 272, 338, 364, 431, 442, 476, 676, 728, 862, 884, 952, 1183, 1352, 1456, 1547, 1724, 1768, 1904, 2366, 2704, 2873, 3017, 3094, 3448, 3536, 4732, 5603, 5746, 6034, 6188, 6896, 7327, 9464, 11206, 11492, 12068, 12376, 14654, 18928, 20111, 22412, 22984, 24136, 24752, 29308, 39221, 40222, 44824, 45968, 48272, 51289, 58616, 72839, 78442, 80444, 89648, 95251, 102578, 117232, 145678, 156884, 160888, 190502, 205156, 291356, 313768, 321776, 381004, 410312, 509873, 582712, 627536, 666757, 762008, 820624, 1019746, 1165424, 1238263, 1333514, 1524016, 2039492, 2476526, 2667028, 4078984, 4953052, 5334056, 8157968, 8667841, 9906104, 10668112, 17335682, 19812208, 34671364, 69342728, 138685456]

約数ペア:

[(1, 138685456), (2, 69342728), (4, 34671364), (7, 19812208), (8, 17335682), (13, 10668112), (14, 9906104), (16, 8667841), (17, 8157968), (26, 5334056), (28, 4953052), (34, 4078984), (52, 2667028), (56, 2476526), (68, 2039492), (91, 1524016), (104, 1333514), (112, 1238263), (119, 1165424), (136, 1019746), (169, 820624), (182, 762008), (208, 666757), (221, 627536), (238, 582712), (272, 509873), (338, 410312), (364, 381004), (431, 321776), (442, 313768), (476, 291356), (676, 205156), (728, 190502), (862, 160888), (884, 156884), (952, 145678), (1183, 117232), (1352, 102578), (1456, 95251), (1547, 89648), (1724, 80444), (1768, 78442), (1904, 72839), (2366, 58616), (2704, 51289), (2873, 48272), (3017, 45968), (3094, 44824), (3448, 40222), (3536, 39221), (4732, 29308), (5603, 24752), (5746, 24136), (6034, 22984), (6188, 22412), (6896, 20111), (7327, 18928), (9464, 14654), (11206, 12376), (11492, 12068)]