247884804

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 649608960

約数和(自身を除く): 401724156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 389, 558, 571, 778, 1116, 1142, 1167, 1556, 1713, 2284, 2334, 3426, 3501, 4668, 5139, 6852, 7002, 10278, 12059, 14004, 17701, 20556, 24118, 35402, 36177, 48236, 53103, 70804, 72354, 106206, 108531, 144708, 159309, 212412, 217062, 222119, 318618, 434124, 444238, 637236, 666357, 888476, 1332714, 1999071, 2665428, 3998142, 6885689, 7996284, 13771378, 20657067, 27542756, 41314134, 61971201, 82628268, 123942402, 247884804]

約数ペア:

[(1, 247884804), (2, 123942402), (3, 82628268), (4, 61971201), (6, 41314134), (9, 27542756), (12, 20657067), (18, 13771378), (31, 7996284), (36, 6885689), (62, 3998142), (93, 2665428), (124, 1999071), (186, 1332714), (279, 888476), (372, 666357), (389, 637236), (558, 444238), (571, 434124), (778, 318618), (1116, 222119), (1142, 217062), (1167, 212412), (1556, 159309), (1713, 144708), (2284, 108531), (2334, 106206), (3426, 72354), (3501, 70804), (4668, 53103), (5139, 48236), (6852, 36177), (7002, 35402), (10278, 24118), (12059, 20556), (14004, 17701)]