71137976

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 178752000

約数和(自身を除く): 107614024

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 37, 38, 52, 56, 74, 76, 91, 104, 133, 139, 148, 152, 182, 247, 259, 266, 278, 296, 364, 481, 494, 518, 532, 556, 703, 728, 962, 973, 988, 1036, 1064, 1112, 1406, 1729, 1807, 1924, 1946, 1976, 2072, 2641, 2812, 3367, 3458, 3614, 3848, 3892, 4921, 5143, 5282, 5624, 6734, 6916, 7228, 7784, 9139, 9842, 10286, 10564, 12649, 13468, 13832, 14456, 18278, 18487, 19684, 20572, 21128, 25298, 26936, 34333, 36001, 36556, 36974, 39368, 41144, 50596, 63973, 66859, 68666, 72002, 73112, 73948, 97717, 101192, 127946, 133718, 137332, 144004, 147896, 195434, 240331, 255892, 267436, 274664, 288008, 390868, 468013, 480662, 511784, 534872, 684019, 781736, 936026, 961324, 1270321, 1368038, 1872052, 1922648, 2540642, 2736076, 3744104, 5081284, 5472152, 8892247, 10162568, 17784494, 35568988, 71137976]

約数ペア:

[(1, 71137976), (2, 35568988), (4, 17784494), (7, 10162568), (8, 8892247), (13, 5472152), (14, 5081284), (19, 3744104), (26, 2736076), (28, 2540642), (37, 1922648), (38, 1872052), (52, 1368038), (56, 1270321), (74, 961324), (76, 936026), (91, 781736), (104, 684019), (133, 534872), (139, 511784), (148, 480662), (152, 468013), (182, 390868), (247, 288008), (259, 274664), (266, 267436), (278, 255892), (296, 240331), (364, 195434), (481, 147896), (494, 144004), (518, 137332), (532, 133718), (556, 127946), (703, 101192), (728, 97717), (962, 73948), (973, 73112), (988, 72002), (1036, 68666), (1064, 66859), (1112, 63973), (1406, 50596), (1729, 41144), (1807, 39368), (1924, 36974), (1946, 36556), (1976, 36001), (2072, 34333), (2641, 26936), (2812, 25298), (3367, 21128), (3458, 20572), (3614, 19684), (3848, 18487), (3892, 18278), (4921, 14456), (5143, 13832), (5282, 13468), (5624, 12649), (6734, 10564), (6916, 10286), (7228, 9842), (7784, 9139)]