209312376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 648345600

約数和(自身を除く): 439033224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 239, 273, 312, 364, 401, 478, 546, 717, 728, 802, 956, 1092, 1203, 1434, 1604, 1673, 1912, 2184, 2406, 2807, 2868, 3107, 3208, 3346, 4812, 5019, 5213, 5614, 5736, 6214, 6692, 8421, 9321, 9624, 10038, 10426, 11228, 12428, 13384, 15639, 16842, 18642, 20076, 20852, 21749, 22456, 24856, 31278, 33684, 36491, 37284, 40152, 41704, 43498, 62556, 65247, 67368, 72982, 74568, 86996, 95839, 109473, 125112, 130494, 145964, 173992, 191678, 218946, 260988, 287517, 291928, 383356, 437892, 521976, 575034, 670873, 766712, 875784, 1150068, 1245907, 1341746, 2012619, 2300136, 2491814, 2683492, 3737721, 4025238, 4983628, 5366984, 7475442, 8050476, 8721349, 9967256, 14950884, 16100952, 17442698, 26164047, 29901768, 34885396, 52328094, 69770792, 104656188, 209312376]

約数ペア:

[(1, 209312376), (2, 104656188), (3, 69770792), (4, 52328094), (6, 34885396), (7, 29901768), (8, 26164047), (12, 17442698), (13, 16100952), (14, 14950884), (21, 9967256), (24, 8721349), (26, 8050476), (28, 7475442), (39, 5366984), (42, 4983628), (52, 4025238), (56, 3737721), (78, 2683492), (84, 2491814), (91, 2300136), (104, 2012619), (156, 1341746), (168, 1245907), (182, 1150068), (239, 875784), (273, 766712), (312, 670873), (364, 575034), (401, 521976), (478, 437892), (546, 383356), (717, 291928), (728, 287517), (802, 260988), (956, 218946), (1092, 191678), (1203, 173992), (1434, 145964), (1604, 130494), (1673, 125112), (1912, 109473), (2184, 95839), (2406, 86996), (2807, 74568), (2868, 72982), (3107, 67368), (3208, 65247), (3346, 62556), (4812, 43498), (5019, 41704), (5213, 40152), (5614, 37284), (5736, 36491), (6214, 33684), (6692, 31278), (8421, 24856), (9321, 22456), (9624, 21749), (10038, 20852), (10426, 20076), (11228, 18642), (12428, 16842), (13384, 15639)]