78438248

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 95744152

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 127, 164, 254, 269, 287, 328, 508, 538, 574, 889, 1016, 1076, 1148, 1778, 1883, 2152, 2296, 3556, 3766, 5207, 7112, 7532, 10414, 11029, 15064, 20828, 22058, 34163, 36449, 41656, 44116, 68326, 72898, 77203, 88232, 136652, 145796, 154406, 239141, 273304, 291592, 308812, 478282, 617624, 956564, 1400683, 1913128, 2801366, 5602732, 9804781, 11205464, 19609562, 39219124, 78438248]

約数ペア:

[(1, 78438248), (2, 39219124), (4, 19609562), (7, 11205464), (8, 9804781), (14, 5602732), (28, 2801366), (41, 1913128), (56, 1400683), (82, 956564), (127, 617624), (164, 478282), (254, 308812), (269, 291592), (287, 273304), (328, 239141), (508, 154406), (538, 145796), (574, 136652), (889, 88232), (1016, 77203), (1076, 72898), (1148, 68326), (1778, 44116), (1883, 41656), (2152, 36449), (2296, 34163), (3556, 22058), (3766, 20828), (5207, 15064), (7112, 11029), (7532, 10414)]