39847964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 78204000

約数和(自身を除く): 38356036

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 139, 148, 149, 278, 298, 481, 556, 596, 962, 1807, 1924, 1937, 3614, 3874, 5143, 5513, 7228, 7748, 10286, 11026, 20572, 20711, 22052, 41422, 66859, 71669, 82844, 133718, 143338, 267436, 269243, 286676, 538486, 766307, 1076972, 1532614, 3065228, 9961991, 19923982, 39847964]

約数ペア:

[(1, 39847964), (2, 19923982), (4, 9961991), (13, 3065228), (26, 1532614), (37, 1076972), (52, 766307), (74, 538486), (139, 286676), (148, 269243), (149, 267436), (278, 143338), (298, 133718), (481, 82844), (556, 71669), (596, 66859), (962, 41422), (1807, 22052), (1924, 20711), (1937, 20572), (3614, 11026), (3874, 10286), (5143, 7748), (5513, 7228)]