31979948

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 77145600

約数和(自身を除く): 45165652

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 163, 182, 196, 286, 308, 326, 343, 364, 539, 572, 637, 652, 686, 1001, 1078, 1141, 1274, 1372, 1793, 2002, 2119, 2156, 2282, 2548, 3586, 3773, 4004, 4238, 4459, 4564, 7007, 7172, 7546, 7987, 8476, 8918, 12551, 14014, 14833, 15092, 15974, 17836, 23309, 25102, 28028, 29666, 31948, 46618, 49049, 50204, 55909, 59332, 87857, 93236, 98098, 103831, 111818, 163163, 175714, 196196, 207662, 223636, 326326, 351428, 415324, 614999, 652652, 726817, 1142141, 1229998, 1453634, 2284282, 2459996, 2907268, 4568564, 7994987, 15989974, 31979948]

約数ペア:

[(1, 31979948), (2, 15989974), (4, 7994987), (7, 4568564), (11, 2907268), (13, 2459996), (14, 2284282), (22, 1453634), (26, 1229998), (28, 1142141), (44, 726817), (49, 652652), (52, 614999), (77, 415324), (91, 351428), (98, 326326), (143, 223636), (154, 207662), (163, 196196), (182, 175714), (196, 163163), (286, 111818), (308, 103831), (326, 98098), (343, 93236), (364, 87857), (539, 59332), (572, 55909), (637, 50204), (652, 49049), (686, 46618), (1001, 31948), (1078, 29666), (1141, 28028), (1274, 25102), (1372, 23309), (1793, 17836), (2002, 15974), (2119, 15092), (2156, 14833), (2282, 14014), (2548, 12551), (3586, 8918), (3773, 8476), (4004, 7987), (4238, 7546), (4459, 7172), (4564, 7007)]