138721830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{355697}}^1$

素因数の和:355720

約数の個数: 32

約数和(自身を含む): 358543584

約数和(自身を除く): 219821754

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 355697, 711394, 1067091, 1778485, 2134182, 3556970, 4624061, 5335455, 9248122, 10670910, 13872183, 23120305, 27744366, 46240610, 69360915, 138721830]

約数ペア:

[(1, 138721830), (2, 69360915), (3, 46240610), (5, 27744366), (6, 23120305), (10, 13872183), (13, 10670910), (15, 9248122), (26, 5335455), (30, 4624061), (39, 3556970), (65, 2134182), (78, 1778485), (130, 1067091), (195, 711394), (390, 355697)]