331318390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4397

約数の個数: 64

約数和(自身を含む): 698019840

約数和(自身を除く): 366701450

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 247, 310, 403, 494, 589, 806, 1178, 1235, 2015, 2470, 2945, 4030, 4327, 5890, 7657, 8654, 15314, 21635, 38285, 43270, 56251, 76570, 82213, 112502, 134137, 164426, 268274, 281255, 411065, 562510, 670685, 822130, 1068769, 1341370, 1743781, 2137538, 2548603, 3487562, 5097206, 5343845, 8718905, 10687690, 12743015, 17437810, 25486030, 33131839, 66263678, 165659195, 331318390]

約数ペア:

[(1, 331318390), (2, 165659195), (5, 66263678), (10, 33131839), (13, 25486030), (19, 17437810), (26, 12743015), (31, 10687690), (38, 8718905), (62, 5343845), (65, 5097206), (95, 3487562), (130, 2548603), (155, 2137538), (190, 1743781), (247, 1341370), (310, 1068769), (403, 822130), (494, 670685), (589, 562510), (806, 411065), (1178, 281255), (1235, 268274), (2015, 164426), (2470, 134137), (2945, 112502), (4030, 82213), (4327, 76570), (5890, 56251), (7657, 43270), (8654, 38285), (15314, 21635)]