25552904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 55566000

約数和(自身を除く): 30013096

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 97, 104, 136, 149, 194, 221, 298, 388, 442, 596, 776, 884, 1192, 1261, 1649, 1768, 1937, 2522, 2533, 3298, 3874, 5044, 5066, 6596, 7748, 10088, 10132, 13192, 14453, 15496, 20264, 21437, 28906, 32929, 42874, 57812, 65858, 85748, 115624, 131716, 171496, 187889, 245701, 263432, 375778, 491402, 751556, 982804, 1503112, 1965608, 3194113, 6388226, 12776452, 25552904]

約数ペア:

[(1, 25552904), (2, 12776452), (4, 6388226), (8, 3194113), (13, 1965608), (17, 1503112), (26, 982804), (34, 751556), (52, 491402), (68, 375778), (97, 263432), (104, 245701), (136, 187889), (149, 171496), (194, 131716), (221, 115624), (298, 85748), (388, 65858), (442, 57812), (596, 42874), (776, 32929), (884, 28906), (1192, 21437), (1261, 20264), (1649, 15496), (1768, 14453), (1937, 13192), (2522, 10132), (2533, 10088), (3298, 7748), (3874, 6596), (5044, 5066)]