397438626

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 880201728

約数和(自身を除く): 482763102

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 127, 159, 254, 318, 381, 689, 757, 762, 1378, 1514, 1651, 2067, 2271, 3302, 4134, 4542, 4953, 6731, 9841, 9906, 13462, 19682, 20193, 29523, 40121, 40386, 59046, 80242, 87503, 96139, 120363, 175006, 192278, 240726, 262509, 288417, 521573, 525018, 576834, 1043146, 1249807, 1564719, 2499614, 3129438, 3749421, 5095367, 7498842, 10190734, 15286101, 30572202, 66239771, 132479542, 198719313, 397438626]

約数ペア:

[(1, 397438626), (2, 198719313), (3, 132479542), (6, 66239771), (13, 30572202), (26, 15286101), (39, 10190734), (53, 7498842), (78, 5095367), (106, 3749421), (127, 3129438), (159, 2499614), (254, 1564719), (318, 1249807), (381, 1043146), (689, 576834), (757, 525018), (762, 521573), (1378, 288417), (1514, 262509), (1651, 240726), (2067, 192278), (2271, 175006), (3302, 120363), (4134, 96139), (4542, 87503), (4953, 80242), (6731, 59046), (9841, 40386), (9906, 40121), (13462, 29523), (19682, 20193)]