387928343270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1972283}}^1$

素因数の和:1972409

約数の個数: 64

約数和(自身を含む): 805165220160

約数和(自身を除く): 417236876890

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 89, 130, 170, 178, 221, 442, 445, 890, 1105, 1157, 1513, 2210, 2314, 3026, 5785, 7565, 11570, 15130, 19669, 39338, 98345, 196690, 1972283, 3944566, 9861415, 19722830, 25639679, 33528811, 51279358, 67057622, 128198395, 167644055, 175533187, 256396790, 335288110, 351066374, 435874543, 871749086, 877665935, 1755331870, 2179372715, 2281931431, 2984064179, 4358745430, 4563862862, 5968128358, 11409657155, 14920320895, 22819314310, 29840641790, 38792834327, 77585668654, 193964171635, 387928343270]

約数ペア:

[(1, 387928343270), (2, 193964171635), (5, 77585668654), (10, 38792834327), (13, 29840641790), (17, 22819314310), (26, 14920320895), (34, 11409657155), (65, 5968128358), (85, 4563862862), (89, 4358745430), (130, 2984064179), (170, 2281931431), (178, 2179372715), (221, 1755331870), (442, 877665935), (445, 871749086), (890, 435874543), (1105, 351066374), (1157, 335288110), (1513, 256396790), (2210, 175533187), (2314, 167644055), (3026, 128198395), (5785, 67057622), (7565, 51279358), (11570, 33528811), (15130, 25639679), (19669, 19722830), (39338, 9861415), (98345, 3944566), (196690, 1972283)]