165514270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{2683}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 309196800

約数和(自身を除く): 143682530

約数列:

[1, 2, 5, 10, 31, 62, 155, 199, 310, 398, 995, 1990, 2683, 5366, 6169, 12338, 13415, 26830, 30845, 61690, 83173, 166346, 415865, 533917, 831730, 1067834, 2669585, 5339170, 16551427, 33102854, 82757135, 165514270]

約数ペア:

[(1, 165514270), (2, 82757135), (5, 33102854), (10, 16551427), (31, 5339170), (62, 2669585), (155, 1067834), (199, 831730), (310, 533917), (398, 415865), (995, 166346), (1990, 83173), (2683, 61690), (5366, 30845), (6169, 26830), (12338, 13415)]