891026390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1\times {\mathrm{1741}}^1$

素因数の和:2648

約数の個数: 32

約数和(自身を含む): 1633020480

約数和(自身を除く): 741994090

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 839, 1678, 1741, 3482, 4195, 8390, 8705, 17410, 51179, 102358, 106201, 212402, 255895, 511790, 531005, 1062010, 1460699, 2921398, 7303495, 14606990, 89102639, 178205278, 445513195, 891026390]

約数ペア:

[(1, 891026390), (2, 445513195), (5, 178205278), (10, 89102639), (61, 14606990), (122, 7303495), (305, 2921398), (610, 1460699), (839, 1062010), (1678, 531005), (1741, 511790), (3482, 255895), (4195, 212402), (8390, 106201), (8705, 102358), (17410, 51179)]