251019756

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:865

約数の個数: 144

約数和(自身を含む): 747079200

約数和(自身を除く): 496059444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 102, 108, 117, 153, 156, 169, 204, 221, 234, 306, 338, 351, 442, 459, 468, 507, 612, 663, 676, 702, 809, 884, 918, 1014, 1326, 1404, 1521, 1618, 1836, 1989, 2028, 2427, 2652, 2873, 3042, 3236, 3978, 4563, 4854, 5746, 5967, 6084, 7281, 7956, 8619, 9126, 9708, 10517, 11492, 11934, 13753, 14562, 17238, 18252, 21034, 21843, 23868, 25857, 27506, 29124, 31551, 34476, 41259, 42068, 43686, 51714, 55012, 63102, 77571, 82518, 87372, 94653, 103428, 123777, 126204, 136721, 155142, 165036, 178789, 189306, 247554, 273442, 283959, 310284, 357578, 371331, 378612, 410163, 495108, 536367, 546884, 567918, 715156, 742662, 820326, 1072734, 1135836, 1230489, 1485324, 1609101, 1640652, 2145468, 2324257, 2460978, 3218202, 3691467, 4648514, 4827303, 4921956, 6436404, 6972771, 7382934, 9297028, 9654606, 13945542, 14765868, 19309212, 20918313, 27891084, 41836626, 62754939, 83673252, 125509878, 251019756]

約数ペア:

[(1, 251019756), (2, 125509878), (3, 83673252), (4, 62754939), (6, 41836626), (9, 27891084), (12, 20918313), (13, 19309212), (17, 14765868), (18, 13945542), (26, 9654606), (27, 9297028), (34, 7382934), (36, 6972771), (39, 6436404), (51, 4921956), (52, 4827303), (54, 4648514), (68, 3691467), (78, 3218202), (102, 2460978), (108, 2324257), (117, 2145468), (153, 1640652), (156, 1609101), (169, 1485324), (204, 1230489), (221, 1135836), (234, 1072734), (306, 820326), (338, 742662), (351, 715156), (442, 567918), (459, 546884), (468, 536367), (507, 495108), (612, 410163), (663, 378612), (676, 371331), (702, 357578), (809, 310284), (884, 283959), (918, 273442), (1014, 247554), (1326, 189306), (1404, 178789), (1521, 165036), (1618, 155142), (1836, 136721), (1989, 126204), (2028, 123777), (2427, 103428), (2652, 94653), (2873, 87372), (3042, 82518), (3236, 77571), (3978, 63102), (4563, 55012), (4854, 51714), (5746, 43686), (5967, 42068), (6084, 41259), (7281, 34476), (7956, 31551), (8619, 29124), (9126, 27506), (9708, 25857), (10517, 23868), (11492, 21843), (11934, 21034), (13753, 18252), (14562, 17238)]