78877708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 173806080

約数和(自身を除く): 94928372

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 169, 182, 211, 316, 338, 364, 422, 553, 676, 844, 1027, 1106, 1183, 1477, 2054, 2212, 2366, 2743, 2954, 4108, 4732, 5486, 5908, 7189, 10972, 13351, 14378, 16669, 19201, 26702, 28756, 33338, 35659, 38402, 53404, 66676, 71318, 76804, 93457, 116683, 142636, 186914, 216697, 233366, 249613, 373828, 433394, 466732, 499226, 866788, 998452, 1516879, 2817061, 3033758, 5634122, 6067516, 11268244, 19719427, 39438854, 78877708]

約数ペア:

[(1, 78877708), (2, 39438854), (4, 19719427), (7, 11268244), (13, 6067516), (14, 5634122), (26, 3033758), (28, 2817061), (52, 1516879), (79, 998452), (91, 866788), (158, 499226), (169, 466732), (182, 433394), (211, 373828), (316, 249613), (338, 233366), (364, 216697), (422, 186914), (553, 142636), (676, 116683), (844, 93457), (1027, 76804), (1106, 71318), (1183, 66676), (1477, 53404), (2054, 38402), (2212, 35659), (2366, 33338), (2743, 28756), (2954, 26702), (4108, 19201), (4732, 16669), (5486, 14378), (5908, 13351), (7189, 10972)]