28310568

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 85034880

約数和(自身を除く): 56724312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 73, 78, 88, 104, 113, 132, 143, 146, 156, 219, 226, 264, 286, 292, 312, 339, 429, 438, 452, 572, 584, 678, 803, 858, 876, 904, 949, 1144, 1243, 1356, 1469, 1606, 1716, 1752, 1898, 2409, 2486, 2712, 2847, 2938, 3212, 3432, 3729, 3796, 4407, 4818, 4972, 5694, 5876, 6424, 7458, 7592, 8249, 8814, 9636, 9944, 10439, 11388, 11752, 14916, 16159, 16498, 17628, 19272, 20878, 22776, 24747, 29832, 31317, 32318, 32996, 35256, 41756, 48477, 49494, 62634, 64636, 65992, 83512, 90739, 96954, 98988, 107237, 125268, 129272, 181478, 193908, 197976, 214474, 250536, 272217, 321711, 362956, 387816, 428948, 544434, 643422, 725912, 857896, 1088868, 1179607, 1286844, 2177736, 2359214, 2573688, 3538821, 4718428, 7077642, 9436856, 14155284, 28310568]

約数ペア:

[(1, 28310568), (2, 14155284), (3, 9436856), (4, 7077642), (6, 4718428), (8, 3538821), (11, 2573688), (12, 2359214), (13, 2177736), (22, 1286844), (24, 1179607), (26, 1088868), (33, 857896), (39, 725912), (44, 643422), (52, 544434), (66, 428948), (73, 387816), (78, 362956), (88, 321711), (104, 272217), (113, 250536), (132, 214474), (143, 197976), (146, 193908), (156, 181478), (219, 129272), (226, 125268), (264, 107237), (286, 98988), (292, 96954), (312, 90739), (339, 83512), (429, 65992), (438, 64636), (452, 62634), (572, 49494), (584, 48477), (678, 41756), (803, 35256), (858, 32996), (876, 32318), (904, 31317), (949, 29832), (1144, 24747), (1243, 22776), (1356, 20878), (1469, 19272), (1606, 17628), (1716, 16498), (1752, 16159), (1898, 14916), (2409, 11752), (2486, 11388), (2712, 10439), (2847, 9944), (2938, 9636), (3212, 8814), (3432, 8249), (3729, 7592), (3796, 7458), (4407, 6424), (4818, 5876), (4972, 5694)]