64840490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{45343}}^1$

素因数の和:45374

約数の個数: 32

約数和(自身を含む): 137120256

約数和(自身を除く): 72279766

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 45343, 90686, 226715, 453430, 498773, 589459, 997546, 1178918, 2493865, 2947295, 4987730, 5894590, 6484049, 12968098, 32420245, 64840490]

約数ペア:

[(1, 64840490), (2, 32420245), (5, 12968098), (10, 6484049), (11, 5894590), (13, 4987730), (22, 2947295), (26, 2493865), (55, 1178918), (65, 997546), (110, 589459), (130, 498773), (143, 453430), (286, 226715), (715, 90686), (1430, 45343)]