257563572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{65239}}^1$

素因数の和:65300

約数の個数: 48

約数和(自身を含む): 701460480

約数和(自身を除く): 443896908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 65239, 130478, 195717, 260956, 391434, 456673, 782868, 913346, 1370019, 1826692, 2740038, 3066233, 5480076, 6132466, 9198699, 12264932, 18397398, 21463631, 36794796, 42927262, 64390893, 85854524, 128781786, 257563572]

約数ペア:

[(1, 257563572), (2, 128781786), (3, 85854524), (4, 64390893), (6, 42927262), (7, 36794796), (12, 21463631), (14, 18397398), (21, 12264932), (28, 9198699), (42, 6132466), (47, 5480076), (84, 3066233), (94, 2740038), (141, 1826692), (188, 1370019), (282, 913346), (329, 782868), (564, 456673), (658, 391434), (987, 260956), (1316, 195717), (1974, 130478), (3948, 65239)]