161061290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 331309440

約数和(自身を除く): 170248150

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 197, 247, 331, 394, 494, 662, 985, 1235, 1655, 1970, 2470, 2561, 3310, 3743, 4303, 5122, 6289, 7486, 8606, 12578, 12805, 18715, 21515, 25610, 31445, 37430, 43030, 48659, 62890, 65207, 81757, 97318, 130414, 163514, 243295, 326035, 408785, 486590, 652070, 817570, 847691, 1238933, 1695382, 2477866, 4238455, 6194665, 8476910, 12389330, 16106129, 32212258, 80530645, 161061290]

約数ペア:

[(1, 161061290), (2, 80530645), (5, 32212258), (10, 16106129), (13, 12389330), (19, 8476910), (26, 6194665), (38, 4238455), (65, 2477866), (95, 1695382), (130, 1238933), (190, 847691), (197, 817570), (247, 652070), (331, 486590), (394, 408785), (494, 326035), (662, 243295), (985, 163514), (1235, 130414), (1655, 97318), (1970, 81757), (2470, 65207), (2561, 62890), (3310, 48659), (3743, 43030), (4303, 37430), (5122, 31445), (6289, 25610), (7486, 21515), (8606, 18715), (12578, 12805)]