15721483986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{17921}}^1$

素因数の和:18128

約数の個数: 96

約数和(自身を含む): 38515381632

約数和(自身を除く): 22793897646

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 163, 207, 234, 299, 326, 414, 489, 598, 897, 978, 1467, 1794, 2119, 2691, 2934, 3749, 4238, 5382, 6357, 7498, 11247, 12714, 17921, 19071, 22494, 33741, 35842, 38142, 48737, 53763, 67482, 97474, 107526, 146211, 161289, 232973, 292422, 322578, 412183, 438633, 465946, 698919, 824366, 877266, 1236549, 1397838, 2096757, 2473098, 2921123, 3709647, 4193514, 5358379, 5842246, 7419294, 8763369, 10716758, 16075137, 17526738, 26290107, 32150274, 37974599, 48225411, 52580214, 67185829, 75949198, 96450822, 113923797, 134371658, 201557487, 227847594, 341771391, 403114974, 604672461, 683542782, 873415777, 1209344922, 1746831554, 2620247331, 5240494662, 7860741993, 15721483986]

約数ペア:

[(1, 15721483986), (2, 7860741993), (3, 5240494662), (6, 2620247331), (9, 1746831554), (13, 1209344922), (18, 873415777), (23, 683542782), (26, 604672461), (39, 403114974), (46, 341771391), (69, 227847594), (78, 201557487), (117, 134371658), (138, 113923797), (163, 96450822), (207, 75949198), (234, 67185829), (299, 52580214), (326, 48225411), (414, 37974599), (489, 32150274), (598, 26290107), (897, 17526738), (978, 16075137), (1467, 10716758), (1794, 8763369), (2119, 7419294), (2691, 5842246), (2934, 5358379), (3749, 4193514), (4238, 3709647), (5382, 2921123), (6357, 2473098), (7498, 2096757), (11247, 1397838), (12714, 1236549), (17921, 877266), (19071, 824366), (22494, 698919), (33741, 465946), (35842, 438633), (38142, 412183), (48737, 322578), (53763, 292422), (67482, 232973), (97474, 161289), (107526, 146211)]