78418184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 164989440

約数和(自身を除く): 86571256

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 61, 94, 104, 122, 188, 244, 263, 376, 488, 526, 611, 793, 1052, 1222, 1586, 2104, 2444, 2867, 3172, 3419, 4888, 5734, 6344, 6838, 11468, 12361, 13676, 16043, 22936, 24722, 27352, 32086, 37271, 49444, 64172, 74542, 98888, 128344, 149084, 160693, 208559, 298168, 321386, 417118, 642772, 754021, 834236, 1285544, 1508042, 1668472, 3016084, 6032168, 9802273, 19604546, 39209092, 78418184]

約数ペア:

[(1, 78418184), (2, 39209092), (4, 19604546), (8, 9802273), (13, 6032168), (26, 3016084), (47, 1668472), (52, 1508042), (61, 1285544), (94, 834236), (104, 754021), (122, 642772), (188, 417118), (244, 321386), (263, 298168), (376, 208559), (488, 160693), (526, 149084), (611, 128344), (793, 98888), (1052, 74542), (1222, 64172), (1586, 49444), (2104, 37271), (2444, 32086), (2867, 27352), (3172, 24722), (3419, 22936), (4888, 16043), (5734, 13676), (6344, 12361), (6838, 11468)]