163903572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20981}}^1$

素因数の和:21029

約数の個数: 72

約数和(自身を含む): 488796672

約数和(自身を除く): 324893100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 20981, 41962, 62943, 83924, 125886, 146867, 188829, 251772, 293734, 377658, 440601, 587468, 650411, 755316, 881202, 1300822, 1321803, 1762404, 1951233, 2601644, 2643606, 3902466, 4552877, 5287212, 5853699, 7804932, 9105754, 11707398, 13658631, 18211508, 23414796, 27317262, 40975893, 54634524, 81951786, 163903572]

約数ペア:

[(1, 163903572), (2, 81951786), (3, 54634524), (4, 40975893), (6, 27317262), (7, 23414796), (9, 18211508), (12, 13658631), (14, 11707398), (18, 9105754), (21, 7804932), (28, 5853699), (31, 5287212), (36, 4552877), (42, 3902466), (62, 2643606), (63, 2601644), (84, 1951233), (93, 1762404), (124, 1321803), (126, 1300822), (186, 881202), (217, 755316), (252, 650411), (279, 587468), (372, 440601), (434, 377658), (558, 293734), (651, 251772), (868, 188829), (1116, 146867), (1302, 125886), (1953, 83924), (2604, 62943), (3906, 41962), (7812, 20981)]