71430970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{109}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 141732360

約数和(自身を除く): 70301390

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 109, 130, 142, 218, 355, 545, 710, 923, 1090, 1417, 1846, 2834, 4615, 5041, 7085, 7739, 9230, 10082, 14170, 15478, 25205, 38695, 50410, 65533, 77390, 100607, 131066, 201214, 327665, 503035, 549469, 655330, 1006070, 1098938, 2747345, 5494690, 7143097, 14286194, 35715485, 71430970]

約数ペア:

[(1, 71430970), (2, 35715485), (5, 14286194), (10, 7143097), (13, 5494690), (26, 2747345), (65, 1098938), (71, 1006070), (109, 655330), (130, 549469), (142, 503035), (218, 327665), (355, 201214), (545, 131066), (710, 100607), (923, 77390), (1090, 65533), (1417, 50410), (1846, 38695), (2834, 25205), (4615, 15478), (5041, 14170), (7085, 10082), (7739, 9230)]