27984710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 56525040

約数和(自身を除く): 28540330

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 377, 571, 754, 845, 1142, 1690, 1885, 2855, 3770, 4901, 5710, 7423, 9802, 14846, 16559, 24505, 33118, 37115, 49010, 74230, 82795, 96499, 165590, 192998, 215267, 430534, 482495, 964990, 1076335, 2152670, 2798471, 5596942, 13992355, 27984710]

約数ペア:

[(1, 27984710), (2, 13992355), (5, 5596942), (10, 2798471), (13, 2152670), (26, 1076335), (29, 964990), (58, 482495), (65, 430534), (130, 215267), (145, 192998), (169, 165590), (290, 96499), (338, 82795), (377, 74230), (571, 49010), (754, 37115), (845, 33118), (1142, 24505), (1690, 16559), (1885, 14846), (2855, 9802), (3770, 7423), (4901, 5710)]