25778788

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 27846812

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 149, 167, 259, 298, 334, 518, 596, 668, 1036, 1043, 1169, 2086, 2338, 4172, 4676, 5513, 6179, 11026, 12358, 22052, 24716, 24883, 38591, 43253, 49766, 77182, 86506, 99532, 154364, 173012, 174181, 348362, 696724, 920671, 1841342, 3682684, 6444697, 12889394, 25778788]

約数ペア:

[(1, 25778788), (2, 12889394), (4, 6444697), (7, 3682684), (14, 1841342), (28, 920671), (37, 696724), (74, 348362), (148, 174181), (149, 173012), (167, 154364), (259, 99532), (298, 86506), (334, 77182), (518, 49766), (596, 43253), (668, 38591), (1036, 24883), (1043, 24716), (1169, 22052), (2086, 12358), (2338, 11026), (4172, 6179), (4676, 5513)]