81122536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 173352960

約数和(自身を除く): 92230424

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 131, 227, 248, 262, 341, 454, 524, 682, 908, 1048, 1364, 1441, 1816, 2497, 2728, 2882, 4061, 4994, 5764, 7037, 8122, 9988, 11528, 14074, 16244, 19976, 28148, 29737, 32488, 44671, 56296, 59474, 77407, 89342, 118948, 154814, 178684, 237896, 309628, 327107, 357368, 619256, 654214, 921847, 1308428, 1843694, 2616856, 3687388, 7374776, 10140317, 20280634, 40561268, 81122536]

約数ペア:

[(1, 81122536), (2, 40561268), (4, 20280634), (8, 10140317), (11, 7374776), (22, 3687388), (31, 2616856), (44, 1843694), (62, 1308428), (88, 921847), (124, 654214), (131, 619256), (227, 357368), (248, 327107), (262, 309628), (341, 237896), (454, 178684), (524, 154814), (682, 118948), (908, 89342), (1048, 77407), (1364, 59474), (1441, 56296), (1816, 44671), (2497, 32488), (2728, 29737), (2882, 28148), (4061, 19976), (4994, 16244), (5764, 14074), (7037, 11528), (8122, 9988)]