721319869660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2927}}^1\times {\mathrm{947833}}^1$

素因数の和:950782

約数の個数: 48

約数和(自身を含む): 1631851675776

約数和(自身を除く): 910531806116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2927, 5854, 11708, 14635, 29270, 38051, 58540, 76102, 152204, 190255, 380510, 761020, 947833, 1895666, 3791332, 4739165, 9478330, 12321829, 18956660, 24643658, 49287316, 61609145, 123218290, 246436580, 2774307191, 5548614382, 11097228764, 13871535955, 27743071910, 36065993483, 55486143820, 72131986966, 144263973932, 180329967415, 360659934830, 721319869660]

約数ペア:

[(1, 721319869660), (2, 360659934830), (4, 180329967415), (5, 144263973932), (10, 72131986966), (13, 55486143820), (20, 36065993483), (26, 27743071910), (52, 13871535955), (65, 11097228764), (130, 5548614382), (260, 2774307191), (2927, 246436580), (5854, 123218290), (11708, 61609145), (14635, 49287316), (29270, 24643658), (38051, 18956660), (58540, 12321829), (76102, 9478330), (152204, 4739165), (190255, 3791332), (380510, 1895666), (761020, 947833)]