639764112

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{33073}}^1$

素因数の和:33128

約数の個数: 80

約数和(自身を含む): 1837326848

約数和(自身を除く): 1197562736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 19344, 33073, 66146, 99219, 132292, 198438, 264584, 396876, 429949, 529168, 793752, 859898, 1025263, 1289847, 1587504, 1719796, 2050526, 2579694, 3075789, 3439592, 4101052, 5159388, 6151578, 6879184, 8202104, 10318776, 12303156, 13328419, 16404208, 20637552, 24606312, 26656838, 39985257, 49212624, 53313676, 79970514, 106627352, 159941028, 213254704, 319882056, 639764112]

約数ペア:

[(1, 639764112), (2, 319882056), (3, 213254704), (4, 159941028), (6, 106627352), (8, 79970514), (12, 53313676), (13, 49212624), (16, 39985257), (24, 26656838), (26, 24606312), (31, 20637552), (39, 16404208), (48, 13328419), (52, 12303156), (62, 10318776), (78, 8202104), (93, 6879184), (104, 6151578), (124, 5159388), (156, 4101052), (186, 3439592), (208, 3075789), (248, 2579694), (312, 2050526), (372, 1719796), (403, 1587504), (496, 1289847), (624, 1025263), (744, 859898), (806, 793752), (1209, 529168), (1488, 429949), (1612, 396876), (2418, 264584), (3224, 198438), (4836, 132292), (6448, 99219), (9672, 66146), (19344, 33073)]