620021311

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1213}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 788070528

約数和(自身を除く): 168049217

約数列:

[1, 7, 13, 41, 91, 137, 287, 533, 959, 1213, 1781, 3731, 5617, 8491, 12467, 15769, 39319, 49733, 73021, 110383, 166181, 348131, 511147, 646529, 1163267, 2160353, 4525703, 6813421, 15122471, 47693947, 88574473, 620021311]

約数ペア:

[(1, 620021311), (7, 88574473), (13, 47693947), (41, 15122471), (91, 6813421), (137, 4525703), (287, 2160353), (533, 1163267), (959, 646529), (1213, 511147), (1781, 348131), (3731, 166181), (5617, 110383), (8491, 73021), (12467, 49733), (15769, 39319)]