87661699996

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401477}}^1$

素因数の和:401543

約数の個数: 72

約数和(自身を含む): 185145594480

約数和(自身を除く): 97483894484

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 169, 221, 247, 323, 338, 442, 494, 646, 676, 884, 988, 1292, 2873, 3211, 4199, 5746, 6422, 8398, 11492, 12844, 16796, 54587, 109174, 218348, 401477, 802954, 1605908, 5219201, 6825109, 7628063, 10438402, 13650218, 15256126, 20876804, 27300436, 30512252, 67849613, 88726417, 99164819, 129677071, 135699226, 177452834, 198329638, 259354142, 271398452, 354905668, 396659276, 518708284, 1153443421, 1289142647, 1685801923, 2306886842, 2578285294, 3371603846, 4613773684, 5156570588, 6743207692, 21915424999, 43830849998, 87661699996]

約数ペア:

[(1, 87661699996), (2, 43830849998), (4, 21915424999), (13, 6743207692), (17, 5156570588), (19, 4613773684), (26, 3371603846), (34, 2578285294), (38, 2306886842), (52, 1685801923), (68, 1289142647), (76, 1153443421), (169, 518708284), (221, 396659276), (247, 354905668), (323, 271398452), (338, 259354142), (442, 198329638), (494, 177452834), (646, 135699226), (676, 129677071), (884, 99164819), (988, 88726417), (1292, 67849613), (2873, 30512252), (3211, 27300436), (4199, 20876804), (5746, 15256126), (6422, 13650218), (8398, 10438402), (11492, 7628063), (12844, 6825109), (16796, 5219201), (54587, 1605908), (109174, 802954), (218348, 401477)]