1620164884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{2027}}^1$

素因数の和:2872

約数の個数: 48

約数和(自身を含む): 3219652800

約数和(自身を除く): 1599487916

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 809, 988, 1618, 2027, 3236, 4054, 8108, 10517, 15371, 21034, 26351, 30742, 38513, 42068, 52702, 61484, 77026, 105404, 154052, 199823, 399646, 500669, 799292, 1001338, 1639843, 2002676, 3279686, 6559372, 21317959, 31157017, 42635918, 62314034, 85271836, 124628068, 405041221, 810082442, 1620164884]

約数ペア:

[(1, 1620164884), (2, 810082442), (4, 405041221), (13, 124628068), (19, 85271836), (26, 62314034), (38, 42635918), (52, 31157017), (76, 21317959), (247, 6559372), (494, 3279686), (809, 2002676), (988, 1639843), (1618, 1001338), (2027, 799292), (3236, 500669), (4054, 399646), (8108, 199823), (10517, 154052), (15371, 105404), (21034, 77026), (26351, 61484), (30742, 52702), (38513, 42068)]