71990604

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1164

約数の個数: 108

約数和(自身を含む): 217605024

約数和(自身を除く): 145614420

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 49, 63, 74, 84, 98, 111, 126, 147, 148, 196, 222, 252, 259, 294, 333, 441, 444, 518, 588, 666, 777, 882, 1036, 1103, 1332, 1554, 1764, 1813, 2206, 2331, 3108, 3309, 3626, 4412, 4662, 5439, 6618, 7252, 7721, 9324, 9927, 10878, 13236, 15442, 16317, 19854, 21756, 23163, 30884, 32634, 39708, 40811, 46326, 54047, 65268, 69489, 81622, 92652, 108094, 122433, 138978, 162141, 163244, 216188, 244866, 277956, 285677, 324282, 367299, 486423, 489732, 571354, 648564, 734598, 857031, 972846, 1142708, 1469196, 1714062, 1945692, 1999739, 2571093, 3428124, 3999478, 5142186, 5999217, 7998956, 10284372, 11998434, 17997651, 23996868, 35995302, 71990604]

約数ペア:

[(1, 71990604), (2, 35995302), (3, 23996868), (4, 17997651), (6, 11998434), (7, 10284372), (9, 7998956), (12, 5999217), (14, 5142186), (18, 3999478), (21, 3428124), (28, 2571093), (36, 1999739), (37, 1945692), (42, 1714062), (49, 1469196), (63, 1142708), (74, 972846), (84, 857031), (98, 734598), (111, 648564), (126, 571354), (147, 489732), (148, 486423), (196, 367299), (222, 324282), (252, 285677), (259, 277956), (294, 244866), (333, 216188), (441, 163244), (444, 162141), (518, 138978), (588, 122433), (666, 108094), (777, 92652), (882, 81622), (1036, 69489), (1103, 65268), (1332, 54047), (1554, 46326), (1764, 40811), (1813, 39708), (2206, 32634), (2331, 30884), (3108, 23163), (3309, 21756), (3626, 19854), (4412, 16317), (4662, 15442), (5439, 13236), (6618, 10878), (7252, 9927), (7721, 9324)]