161623696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21001}}^1$

素因数の和:21059

約数の個数: 40

約数和(自身を含む): 346364984

約数和(自身を除く): 184741288

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 7696, 21001, 42002, 84004, 168008, 273013, 336016, 546026, 777037, 1092052, 1554074, 2184104, 3108148, 4368208, 6216296, 10101481, 12432592, 20202962, 40405924, 80811848, 161623696]

約数ペア:

[(1, 161623696), (2, 80811848), (4, 40405924), (8, 20202962), (13, 12432592), (16, 10101481), (26, 6216296), (37, 4368208), (52, 3108148), (74, 2184104), (104, 1554074), (148, 1092052), (208, 777037), (296, 546026), (481, 336016), (592, 273013), (962, 168008), (1924, 84004), (3848, 42002), (7696, 21001)]