646771690

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1\times {\mathrm{1399}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 1181174400

約数和(自身を除く): 534402710

約数列:

[1, 2, 5, 10, 83, 166, 415, 557, 830, 1114, 1399, 2785, 2798, 5570, 6995, 13990, 46231, 92462, 116117, 231155, 232234, 462310, 580585, 779243, 1161170, 1558486, 3896215, 7792430, 64677169, 129354338, 323385845, 646771690]

約数ペア:

[(1, 646771690), (2, 323385845), (5, 129354338), (10, 64677169), (83, 7792430), (166, 3896215), (415, 1558486), (557, 1161170), (830, 779243), (1114, 580585), (1399, 462310), (2785, 232234), (2798, 231155), (5570, 116117), (6995, 92462), (13990, 46231)]