161644990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 323108352

約数和(自身を除く): 161463362

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 83, 130, 142, 166, 211, 355, 415, 422, 710, 830, 923, 1055, 1079, 1846, 2110, 2158, 2743, 4615, 5395, 5486, 5893, 9230, 10790, 11786, 13715, 14981, 17513, 27430, 29465, 29962, 35026, 58930, 74905, 76609, 87565, 149810, 153218, 175130, 194753, 227669, 383045, 389506, 455338, 766090, 973765, 1138345, 1243423, 1947530, 2276690, 2486846, 6217115, 12434230, 16164499, 32328998, 80822495, 161644990]

約数ペア:

[(1, 161644990), (2, 80822495), (5, 32328998), (10, 16164499), (13, 12434230), (26, 6217115), (65, 2486846), (71, 2276690), (83, 1947530), (130, 1243423), (142, 1138345), (166, 973765), (211, 766090), (355, 455338), (415, 389506), (422, 383045), (710, 227669), (830, 194753), (923, 175130), (1055, 153218), (1079, 149810), (1846, 87565), (2110, 76609), (2158, 74905), (2743, 58930), (4615, 35026), (5395, 29962), (5486, 29465), (5893, 27430), (9230, 17513), (10790, 14981), (11786, 13715)]