257511384

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{21163}}^1$

素因数の和:21201

約数の個数: 72

約数和(自身を含む): 755237340

約数和(自身を除く): 497725956

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 3042, 4056, 6084, 12168, 21163, 42326, 63489, 84652, 126978, 169304, 190467, 253956, 275119, 380934, 507912, 550238, 761868, 825357, 1100476, 1523736, 1650714, 2200952, 2476071, 3301428, 3576547, 4952142, 6602856, 7153094, 9904284, 10729641, 14306188, 19808568, 21459282, 28612376, 32188923, 42918564, 64377846, 85837128, 128755692, 257511384]

約数ペア:

[(1, 257511384), (2, 128755692), (3, 85837128), (4, 64377846), (6, 42918564), (8, 32188923), (9, 28612376), (12, 21459282), (13, 19808568), (18, 14306188), (24, 10729641), (26, 9904284), (36, 7153094), (39, 6602856), (52, 4952142), (72, 3576547), (78, 3301428), (104, 2476071), (117, 2200952), (156, 1650714), (169, 1523736), (234, 1100476), (312, 825357), (338, 761868), (468, 550238), (507, 507912), (676, 380934), (936, 275119), (1014, 253956), (1352, 190467), (1521, 169304), (2028, 126978), (3042, 84652), (4056, 63489), (6084, 42326), (12168, 21163)]