641804365

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 826005600

約数和(自身を除く): 184201235

約数列:

[1, 5, 29, 41, 89, 145, 205, 445, 1189, 1213, 2581, 3649, 5945, 6065, 12905, 18245, 35177, 49733, 105821, 107957, 175885, 248665, 529105, 539785, 1442257, 3130753, 4426237, 7211285, 15653765, 22131185, 128360873, 641804365]

約数ペア:

[(1, 641804365), (5, 128360873), (29, 22131185), (41, 15653765), (89, 7211285), (145, 4426237), (205, 3130753), (445, 1442257), (1189, 539785), (1213, 529105), (2581, 248665), (3649, 175885), (5945, 107957), (6065, 105821), (12905, 49733), (18245, 35177)]