213474996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{3221}}^1$

素因数の和:3501

約数の個数: 72

約数和(自身を含む): 619242624

約数和(自身を除く): 405767628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 263, 526, 789, 1052, 1578, 1841, 2367, 3156, 3221, 3682, 4734, 5523, 6442, 7364, 9468, 9663, 11046, 12884, 16569, 19326, 22092, 22547, 28989, 33138, 38652, 45094, 57978, 66276, 67641, 90188, 115956, 135282, 202923, 270564, 405846, 811692, 847123, 1694246, 2541369, 3388492, 5082738, 5929861, 7624107, 10165476, 11859722, 15248214, 17789583, 23719444, 30496428, 35579166, 53368749, 71158332, 106737498, 213474996]

約数ペア:

[(1, 213474996), (2, 106737498), (3, 71158332), (4, 53368749), (6, 35579166), (7, 30496428), (9, 23719444), (12, 17789583), (14, 15248214), (18, 11859722), (21, 10165476), (28, 7624107), (36, 5929861), (42, 5082738), (63, 3388492), (84, 2541369), (126, 1694246), (252, 847123), (263, 811692), (526, 405846), (789, 270564), (1052, 202923), (1578, 135282), (1841, 115956), (2367, 90188), (3156, 67641), (3221, 66276), (3682, 57978), (4734, 45094), (5523, 38652), (6442, 33138), (7364, 28989), (9468, 22547), (9663, 22092), (11046, 19326), (12884, 16569)]