31749890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 63424512

約数和(自身を除く): 31674622

約数列:

[1, 2, 5, 10, 23, 31, 46, 61, 62, 73, 115, 122, 146, 155, 230, 305, 310, 365, 610, 713, 730, 1403, 1426, 1679, 1891, 2263, 2806, 3358, 3565, 3782, 4453, 4526, 7015, 7130, 8395, 8906, 9455, 11315, 14030, 16790, 18910, 22265, 22630, 43493, 44530, 52049, 86986, 102419, 104098, 138043, 204838, 217465, 260245, 276086, 434930, 512095, 520490, 690215, 1024190, 1380430, 3174989, 6349978, 15874945, 31749890]

約数ペア:

[(1, 31749890), (2, 15874945), (5, 6349978), (10, 3174989), (23, 1380430), (31, 1024190), (46, 690215), (61, 520490), (62, 512095), (73, 434930), (115, 276086), (122, 260245), (146, 217465), (155, 204838), (230, 138043), (305, 104098), (310, 102419), (365, 86986), (610, 52049), (713, 44530), (730, 43493), (1403, 22630), (1426, 22265), (1679, 18910), (1891, 16790), (2263, 14030), (2806, 11315), (3358, 9455), (3565, 8906), (3782, 8395), (4453, 7130), (4526, 7015)]