247965816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20219}}^1$

素因数の和:20308

約数の個数: 64

約数和(自身を含む): 718214400

約数和(自身を除く): 470248584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 73, 84, 146, 168, 219, 292, 438, 511, 584, 876, 1022, 1533, 1752, 2044, 3066, 4088, 6132, 12264, 20219, 40438, 60657, 80876, 121314, 141533, 161752, 242628, 283066, 424599, 485256, 566132, 849198, 1132264, 1475987, 1698396, 2951974, 3396792, 4427961, 5903948, 8855922, 10331909, 11807896, 17711844, 20663818, 30995727, 35423688, 41327636, 61991454, 82655272, 123982908, 247965816]

約数ペア:

[(1, 247965816), (2, 123982908), (3, 82655272), (4, 61991454), (6, 41327636), (7, 35423688), (8, 30995727), (12, 20663818), (14, 17711844), (21, 11807896), (24, 10331909), (28, 8855922), (42, 5903948), (56, 4427961), (73, 3396792), (84, 2951974), (146, 1698396), (168, 1475987), (219, 1132264), (292, 849198), (438, 566132), (511, 485256), (584, 424599), (876, 283066), (1022, 242628), (1533, 161752), (1752, 141533), (2044, 121314), (3066, 80876), (4088, 60657), (6132, 40438), (12264, 20219)]