251955912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1$

素因数の和:815

約数の個数: 128

約数和(自身を含む): 729993600

約数和(自身を除く): 478037688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 67, 68, 78, 102, 104, 134, 136, 156, 201, 204, 221, 268, 312, 402, 408, 442, 536, 663, 709, 804, 871, 884, 1139, 1326, 1418, 1608, 1742, 1768, 2127, 2278, 2613, 2652, 2836, 3417, 3484, 4254, 4556, 5226, 5304, 5672, 6834, 6968, 8508, 9112, 9217, 10452, 12053, 13668, 14807, 17016, 18434, 20904, 24106, 27336, 27651, 29614, 36159, 36868, 44421, 47503, 48212, 55302, 59228, 72318, 73736, 88842, 95006, 96424, 110604, 118456, 142509, 144636, 156689, 177684, 190012, 221208, 285018, 289272, 313378, 355368, 380024, 470067, 570036, 617539, 626756, 807551, 940134, 1140072, 1235078, 1253512, 1615102, 1852617, 1880268, 2422653, 2470156, 3230204, 3705234, 3760536, 4845306, 4940312, 6460408, 7410468, 9690612, 10498163, 14820936, 19381224, 20996326, 31494489, 41992652, 62988978, 83985304, 125977956, 251955912]

約数ペア:

[(1, 251955912), (2, 125977956), (3, 83985304), (4, 62988978), (6, 41992652), (8, 31494489), (12, 20996326), (13, 19381224), (17, 14820936), (24, 10498163), (26, 9690612), (34, 7410468), (39, 6460408), (51, 4940312), (52, 4845306), (67, 3760536), (68, 3705234), (78, 3230204), (102, 2470156), (104, 2422653), (134, 1880268), (136, 1852617), (156, 1615102), (201, 1253512), (204, 1235078), (221, 1140072), (268, 940134), (312, 807551), (402, 626756), (408, 617539), (442, 570036), (536, 470067), (663, 380024), (709, 355368), (804, 313378), (871, 289272), (884, 285018), (1139, 221208), (1326, 190012), (1418, 177684), (1608, 156689), (1742, 144636), (1768, 142509), (2127, 118456), (2278, 110604), (2613, 96424), (2652, 95006), (2836, 88842), (3417, 73736), (3484, 72318), (4254, 59228), (4556, 55302), (5226, 48212), (5304, 47503), (5672, 44421), (6834, 36868), (6968, 36159), (8508, 29614), (9112, 27651), (9217, 27336), (10452, 24106), (12053, 20904), (13668, 18434), (14807, 17016)]