31989204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2357}}^1$

素因数の和:2409

約数の個数: 72

約数和(自身を含む): 90122760

約数和(自身を除く): 58133556

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2262, 2357, 3393, 4524, 4714, 6786, 7071, 9428, 13572, 14142, 21213, 28284, 30641, 42426, 61282, 68353, 84852, 91923, 122564, 136706, 183846, 205059, 273412, 275769, 367692, 410118, 551538, 615177, 820236, 888589, 1103076, 1230354, 1777178, 2460708, 2665767, 3554356, 5331534, 7997301, 10663068, 15994602, 31989204]

約数ペア:

[(1, 31989204), (2, 15994602), (3, 10663068), (4, 7997301), (6, 5331534), (9, 3554356), (12, 2665767), (13, 2460708), (18, 1777178), (26, 1230354), (29, 1103076), (36, 888589), (39, 820236), (52, 615177), (58, 551538), (78, 410118), (87, 367692), (116, 275769), (117, 273412), (156, 205059), (174, 183846), (234, 136706), (261, 122564), (348, 91923), (377, 84852), (468, 68353), (522, 61282), (754, 42426), (1044, 30641), (1131, 28284), (1508, 21213), (2262, 14142), (2357, 13572), (3393, 9428), (4524, 7071), (4714, 6786)]