81975972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30911}}^1$

素因数の和:30948

約数の個数: 48

約数和(自身を含む): 218115072

約数和(自身を除く): 136139100

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 30911, 61822, 92733, 123644, 185466, 370932, 401843, 525487, 803686, 1050974, 1205529, 1576461, 1607372, 2101948, 2411058, 3152922, 4822116, 6305844, 6831331, 13662662, 20493993, 27325324, 40987986, 81975972]

約数ペア:

[(1, 81975972), (2, 40987986), (3, 27325324), (4, 20493993), (6, 13662662), (12, 6831331), (13, 6305844), (17, 4822116), (26, 3152922), (34, 2411058), (39, 2101948), (51, 1607372), (52, 1576461), (68, 1205529), (78, 1050974), (102, 803686), (156, 525487), (204, 401843), (221, 370932), (442, 185466), (663, 123644), (884, 92733), (1326, 61822), (2652, 30911)]