638962362

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{12539}}^1$

素因数の和:12715

約数の個数: 48

約数和(自身を含む): 1467180000

約数和(自身を除く): 828217638

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 149, 171, 298, 342, 447, 894, 1341, 2682, 2831, 5662, 8493, 12539, 16986, 25078, 25479, 37617, 50958, 75234, 112851, 225702, 238241, 476482, 714723, 1429446, 1868311, 2144169, 3736622, 4288338, 5604933, 11209866, 16814799, 33629598, 35497909, 70995818, 106493727, 212987454, 319481181, 638962362]

約数ペア:

[(1, 638962362), (2, 319481181), (3, 212987454), (6, 106493727), (9, 70995818), (18, 35497909), (19, 33629598), (38, 16814799), (57, 11209866), (114, 5604933), (149, 4288338), (171, 3736622), (298, 2144169), (342, 1868311), (447, 1429446), (894, 714723), (1341, 476482), (2682, 238241), (2831, 225702), (5662, 112851), (8493, 75234), (12539, 50958), (16986, 37617), (25078, 25479)]