263975348

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:733

約数の個数: 72

約数和(自身を含む): 582642144

約数和(自身を除く): 318666796

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 211, 364, 422, 491, 637, 844, 982, 1274, 1477, 1964, 2548, 2743, 2954, 3437, 5486, 5908, 6383, 6874, 10339, 10972, 12766, 13748, 19201, 20678, 24059, 25532, 38402, 41356, 44681, 48118, 76804, 89362, 96236, 103601, 134407, 178724, 207202, 268814, 312767, 414404, 537628, 625534, 725207, 1251068, 1346813, 1450414, 2693626, 2900828, 5076449, 5387252, 9427691, 10152898, 18855382, 20305796, 37710764, 65993837, 131987674, 263975348]

約数ペア:

[(1, 263975348), (2, 131987674), (4, 65993837), (7, 37710764), (13, 20305796), (14, 18855382), (26, 10152898), (28, 9427691), (49, 5387252), (52, 5076449), (91, 2900828), (98, 2693626), (182, 1450414), (196, 1346813), (211, 1251068), (364, 725207), (422, 625534), (491, 537628), (637, 414404), (844, 312767), (982, 268814), (1274, 207202), (1477, 178724), (1964, 134407), (2548, 103601), (2743, 96236), (2954, 89362), (3437, 76804), (5486, 48118), (5908, 44681), (6383, 41356), (6874, 38402), (10339, 25532), (10972, 24059), (12766, 20678), (13748, 19201)]