1998292995

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{11689}}^1$

素因数の和:11860

約数の個数: 48

約数和(自身を含む): 3610807200

約数和(自身を除く): 1612514205

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 131, 145, 261, 393, 435, 655, 1179, 1305, 1965, 3799, 5895, 11397, 11689, 18995, 34191, 35067, 56985, 58445, 105201, 170955, 175335, 338981, 526005, 1016943, 1531259, 1694905, 3050829, 4593777, 5084715, 7656295, 13781331, 15254145, 22968885, 44406511, 68906655, 133219533, 222032555, 399658599, 666097665, 1998292995]

約数ペア:

[(1, 1998292995), (3, 666097665), (5, 399658599), (9, 222032555), (15, 133219533), (29, 68906655), (45, 44406511), (87, 22968885), (131, 15254145), (145, 13781331), (261, 7656295), (393, 5084715), (435, 4593777), (655, 3050829), (1179, 1694905), (1305, 1531259), (1965, 1016943), (3799, 526005), (5895, 338981), (11397, 175335), (11689, 170955), (18995, 105201), (34191, 58445), (35067, 56985)]