1640789948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{11597}}^1$

素因数の和:11802

約数の個数: 48

約数和(自身を含む): 3408513024

約数和(自身を除く): 1767723076

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 163, 217, 326, 434, 652, 868, 1141, 2282, 4564, 5053, 10106, 11597, 20212, 23194, 35371, 46388, 70742, 81179, 141484, 162358, 324716, 359507, 719014, 1438028, 1890311, 2516549, 3780622, 5033098, 7561244, 10066196, 13232177, 26464354, 52928708, 58599641, 117199282, 234398564, 410197487, 820394974, 1640789948]

約数ペア:

[(1, 1640789948), (2, 820394974), (4, 410197487), (7, 234398564), (14, 117199282), (28, 58599641), (31, 52928708), (62, 26464354), (124, 13232177), (163, 10066196), (217, 7561244), (326, 5033098), (434, 3780622), (652, 2516549), (868, 1890311), (1141, 1438028), (2282, 719014), (4564, 359507), (5053, 324716), (10106, 162358), (11597, 141484), (20212, 81179), (23194, 70742), (35371, 46388)]