289781635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 436907520

約数和(自身を除く): 147125885

約数列:

[1, 5, 11, 13, 19, 55, 65, 83, 95, 143, 209, 247, 257, 415, 715, 913, 1045, 1079, 1235, 1285, 1577, 2717, 2827, 3341, 4565, 4883, 5395, 7885, 11869, 13585, 14135, 16705, 17347, 20501, 21331, 24415, 36751, 53713, 59345, 63479, 86735, 102505, 106655, 183755, 225511, 234641, 268565, 277303, 317395, 405289, 698269, 1127555, 1173205, 1386515, 2026445, 3050333, 3491345, 4458179, 5268757, 15251665, 22290895, 26343785, 57956327, 289781635]

約数ペア:

[(1, 289781635), (5, 57956327), (11, 26343785), (13, 22290895), (19, 15251665), (55, 5268757), (65, 4458179), (83, 3491345), (95, 3050333), (143, 2026445), (209, 1386515), (247, 1173205), (257, 1127555), (415, 698269), (715, 405289), (913, 317395), (1045, 277303), (1079, 268565), (1235, 234641), (1285, 225511), (1577, 183755), (2717, 106655), (2827, 102505), (3341, 86735), (4565, 63479), (4883, 59345), (5395, 53713), (7885, 36751), (11869, 24415), (13585, 21331), (14135, 20501), (16705, 17347)]