2005988908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{1871}}^1$

素因数の和:2011

約数の個数: 72

約数和(自身を含む): 4454521344

約数和(自身を除く): 2448532436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 1298, 1652, 1871, 2596, 3481, 3742, 4543, 6962, 7484, 9086, 13097, 13924, 18172, 20581, 24367, 26194, 38291, 41162, 48734, 52388, 76582, 82324, 97468, 110389, 144067, 153164, 220778, 268037, 288134, 441556, 536074, 576268, 772723, 1072148, 1214279, 1545446, 2428558, 3090892, 4857116, 6512951, 8499953, 13025902, 16999906, 26051804, 33999812, 45590657, 71642461, 91181314, 143284922, 182362628, 286569844, 501497227, 1002994454, 2005988908]

約数ペア:

[(1, 2005988908), (2, 1002994454), (4, 501497227), (7, 286569844), (11, 182362628), (14, 143284922), (22, 91181314), (28, 71642461), (44, 45590657), (59, 33999812), (77, 26051804), (118, 16999906), (154, 13025902), (236, 8499953), (308, 6512951), (413, 4857116), (649, 3090892), (826, 2428558), (1298, 1545446), (1652, 1214279), (1871, 1072148), (2596, 772723), (3481, 576268), (3742, 536074), (4543, 441556), (6962, 288134), (7484, 268037), (9086, 220778), (13097, 153164), (13924, 144067), (18172, 110389), (20581, 97468), (24367, 82324), (26194, 76582), (38291, 52388), (41162, 48734)]