64501390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 129392640

約数和(自身を除く): 64891250

約数列:

[1, 2, 5, 10, 19, 31, 38, 47, 62, 94, 95, 155, 190, 233, 235, 310, 466, 470, 589, 893, 1165, 1178, 1457, 1786, 2330, 2914, 2945, 4427, 4465, 5890, 7223, 7285, 8854, 8930, 10951, 14446, 14570, 21902, 22135, 27683, 36115, 44270, 54755, 55366, 72230, 109510, 137237, 138415, 208069, 274474, 276830, 339481, 416138, 678962, 686185, 1040345, 1372370, 1697405, 2080690, 3394810, 6450139, 12900278, 32250695, 64501390]

約数ペア:

[(1, 64501390), (2, 32250695), (5, 12900278), (10, 6450139), (19, 3394810), (31, 2080690), (38, 1697405), (47, 1372370), (62, 1040345), (94, 686185), (95, 678962), (155, 416138), (190, 339481), (233, 276830), (235, 274474), (310, 208069), (466, 138415), (470, 137237), (589, 109510), (893, 72230), (1165, 55366), (1178, 54755), (1457, 44270), (1786, 36115), (2330, 27683), (2914, 22135), (2945, 21902), (4427, 14570), (4465, 14446), (5890, 10951), (7223, 8930), (7285, 8854)]