1266616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 2696400

約数和(自身を除く): 1429784

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 641, 988, 1282, 1976, 2564, 5128, 8333, 12179, 16666, 24358, 33332, 48716, 66664, 97432, 158327, 316654, 633308, 1266616]

約数ペア:

[(1, 1266616), (2, 633308), (4, 316654), (8, 158327), (13, 97432), (19, 66664), (26, 48716), (38, 33332), (52, 24358), (76, 16666), (104, 12179), (152, 8333), (247, 5128), (494, 2564), (641, 1976), (988, 1282)]