28014402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 65729664

約数和(自身を除く): 37715262

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 37, 39, 51, 74, 78, 102, 111, 221, 222, 442, 481, 571, 629, 663, 962, 1142, 1258, 1326, 1443, 1713, 1887, 2886, 3426, 3774, 7423, 8177, 9707, 14846, 16354, 19414, 21127, 22269, 24531, 29121, 42254, 44538, 49062, 58242, 63381, 126191, 126762, 252382, 274651, 359159, 378573, 549302, 718318, 757146, 823953, 1077477, 1647906, 2154954, 4669067, 9338134, 14007201, 28014402]

約数ペア:

[(1, 28014402), (2, 14007201), (3, 9338134), (6, 4669067), (13, 2154954), (17, 1647906), (26, 1077477), (34, 823953), (37, 757146), (39, 718318), (51, 549302), (74, 378573), (78, 359159), (102, 274651), (111, 252382), (221, 126762), (222, 126191), (442, 63381), (481, 58242), (571, 49062), (629, 44538), (663, 42254), (962, 29121), (1142, 24531), (1258, 22269), (1326, 21127), (1443, 19414), (1713, 16354), (1887, 14846), (2886, 9707), (3426, 8177), (3774, 7423)]