251309136

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{402739}}^1$

素因数の和:402763

約数の個数: 40

約数和(自身を含む): 699156640

約数和(自身を除く): 447847504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 402739, 805478, 1208217, 1610956, 2416434, 3221912, 4832868, 5235607, 6443824, 9665736, 10471214, 15706821, 19331472, 20942428, 31413642, 41884856, 62827284, 83769712, 125654568, 251309136]

約数ペア:

[(1, 251309136), (2, 125654568), (3, 83769712), (4, 62827284), (6, 41884856), (8, 31413642), (12, 20942428), (13, 19331472), (16, 15706821), (24, 10471214), (26, 9665736), (39, 6443824), (48, 5235607), (52, 4832868), (78, 3221912), (104, 2416434), (156, 1610956), (208, 1208217), (312, 805478), (624, 402739)]