1031127890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{773}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 2072189952

約数和(自身を除く): 1041062062

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 331, 403, 662, 773, 806, 1546, 1655, 2015, 3310, 3865, 4030, 4303, 7730, 8606, 10049, 10261, 20098, 20522, 21515, 23963, 43030, 47926, 50245, 51305, 100490, 102610, 119815, 133393, 239630, 255863, 266786, 311519, 511726, 623038, 666965, 1279315, 1333930, 1557595, 2558630, 3115190, 3326219, 6652438, 7931753, 15863506, 16631095, 33262190, 39658765, 79317530, 103112789, 206225578, 515563945, 1031127890]

約数ペア:

[(1, 1031127890), (2, 515563945), (5, 206225578), (10, 103112789), (13, 79317530), (26, 39658765), (31, 33262190), (62, 16631095), (65, 15863506), (130, 7931753), (155, 6652438), (310, 3326219), (331, 3115190), (403, 2558630), (662, 1557595), (773, 1333930), (806, 1279315), (1546, 666965), (1655, 623038), (2015, 511726), (3310, 311519), (3865, 266786), (4030, 255863), (4303, 239630), (7730, 133393), (8606, 119815), (10049, 102610), (10261, 100490), (20098, 51305), (20522, 50245), (21515, 47926), (23963, 43030)]