1649388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 4225760

約数和(自身を除く): 2576372

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 97, 109, 156, 194, 218, 291, 327, 388, 436, 582, 654, 1164, 1261, 1308, 1417, 2522, 2834, 3783, 4251, 5044, 5668, 7566, 8502, 10573, 15132, 17004, 21146, 31719, 42292, 63438, 126876, 137449, 274898, 412347, 549796, 824694, 1649388]

約数ペア:

[(1, 1649388), (2, 824694), (3, 549796), (4, 412347), (6, 274898), (12, 137449), (13, 126876), (26, 63438), (39, 42292), (52, 31719), (78, 21146), (97, 17004), (109, 15132), (156, 10573), (194, 8502), (218, 7566), (291, 5668), (327, 5044), (388, 4251), (436, 3783), (582, 2834), (654, 2522), (1164, 1417), (1261, 1308)]