897436670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2683}}^1$

素因数の和:2817

約数の個数: 64

約数和(自身を含む): 1818077184

約数和(自身を除く): 920640514

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 83, 130, 155, 166, 310, 403, 415, 806, 830, 1079, 2015, 2158, 2573, 2683, 4030, 5146, 5366, 5395, 10790, 12865, 13415, 25730, 26830, 33449, 34879, 66898, 69758, 83173, 166346, 167245, 174395, 222689, 334490, 348790, 415865, 445378, 831730, 1081249, 1113445, 2162498, 2226890, 2894957, 5406245, 5789914, 6903359, 10812490, 13806718, 14474785, 28949570, 34516795, 69033590, 89743667, 179487334, 448718335, 897436670]

約数ペア:

[(1, 897436670), (2, 448718335), (5, 179487334), (10, 89743667), (13, 69033590), (26, 34516795), (31, 28949570), (62, 14474785), (65, 13806718), (83, 10812490), (130, 6903359), (155, 5789914), (166, 5406245), (310, 2894957), (403, 2226890), (415, 2162498), (806, 1113445), (830, 1081249), (1079, 831730), (2015, 445378), (2158, 415865), (2573, 348790), (2683, 334490), (4030, 222689), (5146, 174395), (5366, 167245), (5395, 166346), (10790, 83173), (12865, 69758), (13415, 66898), (25730, 34879), (26830, 33449)]