889646290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2011}}^1$

素因数の和:2155

約数の個数: 64

約数和(自身を含む): 1788780672

約数和(自身を除く): 899134382

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 83, 130, 166, 205, 410, 415, 533, 830, 1066, 1079, 2011, 2158, 2665, 3403, 4022, 5330, 5395, 6806, 10055, 10790, 17015, 20110, 26143, 34030, 44239, 52286, 82451, 88478, 130715, 164902, 166913, 221195, 261430, 333826, 412255, 442390, 824510, 834565, 1071863, 1669130, 2143726, 2169869, 4339738, 5359315, 6843433, 10718630, 10849345, 13686866, 21698690, 34217165, 68434330, 88964629, 177929258, 444823145, 889646290]

約数ペア:

[(1, 889646290), (2, 444823145), (5, 177929258), (10, 88964629), (13, 68434330), (26, 34217165), (41, 21698690), (65, 13686866), (82, 10849345), (83, 10718630), (130, 6843433), (166, 5359315), (205, 4339738), (410, 2169869), (415, 2143726), (533, 1669130), (830, 1071863), (1066, 834565), (1079, 824510), (2011, 442390), (2158, 412255), (2665, 333826), (3403, 261430), (4022, 221195), (5330, 166913), (5395, 164902), (6806, 130715), (10055, 88478), (10790, 82451), (17015, 52286), (20110, 44239), (26143, 34030)]