71990256

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2683}}^1$

素因数の和:2750

約数の個数: 80

約数和(自身を含む): 205014656

約数和(自身を除く): 133024400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 78, 86, 104, 129, 156, 172, 208, 258, 312, 344, 516, 559, 624, 688, 1032, 1118, 1677, 2064, 2236, 2683, 3354, 4472, 5366, 6708, 8049, 8944, 10732, 13416, 16098, 21464, 26832, 32196, 34879, 42928, 64392, 69758, 104637, 115369, 128784, 139516, 209274, 230738, 279032, 346107, 418548, 461476, 558064, 692214, 837096, 922952, 1384428, 1499797, 1674192, 1845904, 2768856, 2999594, 4499391, 5537712, 5999188, 8998782, 11998376, 17997564, 23996752, 35995128, 71990256]

約数ペア:

[(1, 71990256), (2, 35995128), (3, 23996752), (4, 17997564), (6, 11998376), (8, 8998782), (12, 5999188), (13, 5537712), (16, 4499391), (24, 2999594), (26, 2768856), (39, 1845904), (43, 1674192), (48, 1499797), (52, 1384428), (78, 922952), (86, 837096), (104, 692214), (129, 558064), (156, 461476), (172, 418548), (208, 346107), (258, 279032), (312, 230738), (344, 209274), (516, 139516), (559, 128784), (624, 115369), (688, 104637), (1032, 69758), (1118, 64392), (1677, 42928), (2064, 34879), (2236, 32196), (2683, 26832), (3354, 21464), (4472, 16098), (5366, 13416), (6708, 10732), (8049, 8944)]