28479556

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 37322684

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 47, 67, 68, 76, 94, 119, 133, 134, 188, 238, 266, 268, 323, 329, 469, 476, 532, 646, 658, 799, 893, 938, 1139, 1273, 1292, 1316, 1598, 1786, 1876, 2261, 2278, 2546, 3149, 3196, 3572, 4522, 4556, 5092, 5593, 6251, 6298, 7973, 8911, 9044, 11186, 12502, 12596, 15181, 15946, 17822, 21641, 22043, 22372, 25004, 30362, 31892, 35644, 43282, 44086, 53533, 59831, 60724, 86564, 88172, 106267, 107066, 119662, 151487, 212534, 214132, 239324, 302974, 374731, 418817, 425068, 605948, 749462, 837634, 1017127, 1498924, 1675268, 2034254, 4068508, 7119889, 14239778, 28479556]

約数ペア:

[(1, 28479556), (2, 14239778), (4, 7119889), (7, 4068508), (14, 2034254), (17, 1675268), (19, 1498924), (28, 1017127), (34, 837634), (38, 749462), (47, 605948), (67, 425068), (68, 418817), (76, 374731), (94, 302974), (119, 239324), (133, 214132), (134, 212534), (188, 151487), (238, 119662), (266, 107066), (268, 106267), (323, 88172), (329, 86564), (469, 60724), (476, 59831), (532, 53533), (646, 44086), (658, 43282), (799, 35644), (893, 31892), (938, 30362), (1139, 25004), (1273, 22372), (1292, 22043), (1316, 21641), (1598, 17822), (1786, 15946), (1876, 15181), (2261, 12596), (2278, 12502), (2546, 11186), (3149, 9044), (3196, 8911), (3572, 7973), (4522, 6298), (4556, 6251), (5092, 5593)]