78828568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 197568000

約数和(自身を除く): 118739432

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 41, 52, 56, 76, 82, 91, 104, 133, 139, 152, 164, 182, 247, 266, 278, 287, 328, 364, 494, 532, 533, 556, 574, 728, 779, 973, 988, 1064, 1066, 1112, 1148, 1558, 1729, 1807, 1946, 1976, 2132, 2296, 2641, 3116, 3458, 3614, 3731, 3892, 4264, 5282, 5453, 5699, 6232, 6916, 7228, 7462, 7784, 10127, 10564, 10906, 11398, 12649, 13832, 14456, 14924, 18487, 20254, 21128, 21812, 22796, 25298, 29848, 34333, 36974, 39893, 40508, 43624, 45592, 50596, 68666, 70889, 73948, 74087, 79786, 81016, 101192, 108281, 137332, 141778, 147896, 148174, 159572, 216562, 240331, 274664, 283556, 296348, 319144, 433124, 480662, 518609, 567112, 592696, 757967, 866248, 961324, 1037218, 1407653, 1515934, 1922648, 2074436, 2815306, 3031868, 4148872, 5630612, 6063736, 9853571, 11261224, 19707142, 39414284, 78828568]

約数ペア:

[(1, 78828568), (2, 39414284), (4, 19707142), (7, 11261224), (8, 9853571), (13, 6063736), (14, 5630612), (19, 4148872), (26, 3031868), (28, 2815306), (38, 2074436), (41, 1922648), (52, 1515934), (56, 1407653), (76, 1037218), (82, 961324), (91, 866248), (104, 757967), (133, 592696), (139, 567112), (152, 518609), (164, 480662), (182, 433124), (247, 319144), (266, 296348), (278, 283556), (287, 274664), (328, 240331), (364, 216562), (494, 159572), (532, 148174), (533, 147896), (556, 141778), (574, 137332), (728, 108281), (779, 101192), (973, 81016), (988, 79786), (1064, 74087), (1066, 73948), (1112, 70889), (1148, 68666), (1558, 50596), (1729, 45592), (1807, 43624), (1946, 40508), (1976, 39893), (2132, 36974), (2296, 34333), (2641, 29848), (3116, 25298), (3458, 22796), (3614, 21812), (3731, 21128), (3892, 20254), (4264, 18487), (5282, 14924), (5453, 14456), (5699, 13832), (6232, 12649), (6916, 11398), (7228, 10906), (7462, 10564), (7784, 10127)]