399574028

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2617}}^1$

素因数の和:2695

約数の個数: 72

約数和(自身を含む): 877448880

約数和(自身を除く): 477874852

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 49, 76, 82, 98, 133, 164, 196, 266, 287, 532, 574, 779, 931, 1148, 1558, 1862, 2009, 2617, 3116, 3724, 4018, 5234, 5453, 8036, 10468, 10906, 18319, 21812, 36638, 38171, 49723, 73276, 76342, 99446, 107297, 128233, 152684, 198892, 214594, 256466, 348061, 429188, 512932, 696122, 751079, 1392244, 1502158, 2038643, 2436427, 3004316, 4077286, 4872854, 5257553, 8154572, 9745708, 10515106, 14270501, 21030212, 28541002, 57082004, 99893507, 199787014, 399574028]

約数ペア:

[(1, 399574028), (2, 199787014), (4, 99893507), (7, 57082004), (14, 28541002), (19, 21030212), (28, 14270501), (38, 10515106), (41, 9745708), (49, 8154572), (76, 5257553), (82, 4872854), (98, 4077286), (133, 3004316), (164, 2436427), (196, 2038643), (266, 1502158), (287, 1392244), (532, 751079), (574, 696122), (779, 512932), (931, 429188), (1148, 348061), (1558, 256466), (1862, 214594), (2009, 198892), (2617, 152684), (3116, 128233), (3724, 107297), (4018, 99446), (5234, 76342), (5453, 73276), (8036, 49723), (10468, 38171), (10906, 36638), (18319, 21812)]