77890505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 117089280

約数和(自身を除く): 39198775

約数列:

[1, 5, 7, 11, 35, 55, 77, 307, 385, 659, 1535, 2149, 3295, 3377, 4613, 7249, 10745, 16885, 23065, 23639, 36245, 50743, 118195, 202313, 253715, 1011565, 1416191, 2225443, 7080955, 11127215, 15578101, 77890505]

約数ペア:

[(1, 77890505), (5, 15578101), (7, 11127215), (11, 7080955), (35, 2225443), (55, 1416191), (77, 1011565), (307, 253715), (385, 202313), (659, 118195), (1535, 50743), (2149, 36245), (3295, 23639), (3377, 23065), (4613, 16885), (7249, 10745)]