261999108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{35851}}^1$

素因数の和:35897

約数の個数: 72

約数和(自身を含む): 783007680

約数和(自身を除く): 521008572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 7308, 35851, 71702, 107553, 143404, 215106, 250957, 322659, 430212, 501914, 645318, 752871, 1003828, 1039679, 1290636, 1505742, 2079358, 2258613, 3011484, 3119037, 4158716, 4517226, 6238074, 7277753, 9034452, 9357111, 12476148, 14555506, 18714222, 21833259, 29111012, 37428444, 43666518, 65499777, 87333036, 130999554, 261999108]

約数ペア:

[(1, 261999108), (2, 130999554), (3, 87333036), (4, 65499777), (6, 43666518), (7, 37428444), (9, 29111012), (12, 21833259), (14, 18714222), (18, 14555506), (21, 12476148), (28, 9357111), (29, 9034452), (36, 7277753), (42, 6238074), (58, 4517226), (63, 4158716), (84, 3119037), (87, 3011484), (116, 2258613), (126, 2079358), (174, 1505742), (203, 1290636), (252, 1039679), (261, 1003828), (348, 752871), (406, 645318), (522, 501914), (609, 430212), (812, 322659), (1044, 250957), (1218, 215106), (1827, 143404), (2436, 107553), (3654, 71702), (7308, 35851)]