408025072

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4046

約数の個数: 80

約数和(自身を含む): 986936832

約数和(自身を除く): 578911760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 923, 994, 1136, 1456, 1846, 1988, 3692, 3947, 3976, 6461, 7384, 7894, 7952, 12922, 14768, 15788, 25844, 27629, 31576, 51311, 51688, 55258, 63152, 102622, 103376, 110516, 205244, 221032, 280237, 359177, 410488, 442064, 560474, 718354, 820976, 1120948, 1436708, 1961659, 2241896, 2873416, 3643081, 3923318, 4483792, 5746832, 7286162, 7846636, 14572324, 15693272, 25501567, 29144648, 31386544, 51003134, 58289296, 102006268, 204012536, 408025072]

約数ペア:

[(1, 408025072), (2, 204012536), (4, 102006268), (7, 58289296), (8, 51003134), (13, 31386544), (14, 29144648), (16, 25501567), (26, 15693272), (28, 14572324), (52, 7846636), (56, 7286162), (71, 5746832), (91, 4483792), (104, 3923318), (112, 3643081), (142, 2873416), (182, 2241896), (208, 1961659), (284, 1436708), (364, 1120948), (497, 820976), (568, 718354), (728, 560474), (923, 442064), (994, 410488), (1136, 359177), (1456, 280237), (1846, 221032), (1988, 205244), (3692, 110516), (3947, 103376), (3976, 102622), (6461, 63152), (7384, 55258), (7894, 51688), (7952, 51311), (12922, 31576), (14768, 27629), (15788, 25844)]