208438956

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 108

約数和(自身を含む): 585785200

約数和(自身を除く): 377346244

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 109, 121, 132, 198, 218, 242, 327, 363, 396, 436, 439, 484, 654, 726, 878, 981, 1089, 1199, 1308, 1317, 1452, 1756, 1962, 2178, 2398, 2634, 3597, 3924, 3951, 4356, 4796, 4829, 5268, 7194, 7902, 9658, 10791, 13189, 14388, 14487, 15804, 19316, 21582, 26378, 28974, 39567, 43164, 43461, 47851, 52756, 53119, 57948, 79134, 86922, 95702, 106238, 118701, 143553, 158268, 159357, 173844, 191404, 212476, 237402, 287106, 318714, 430659, 474804, 478071, 526361, 574212, 637428, 861318, 956142, 1052722, 1579083, 1722636, 1912284, 2105444, 3158166, 4737249, 5789971, 6316332, 9474498, 11579942, 17369913, 18948996, 23159884, 34739826, 52109739, 69479652, 104219478, 208438956]

約数ペア:

[(1, 208438956), (2, 104219478), (3, 69479652), (4, 52109739), (6, 34739826), (9, 23159884), (11, 18948996), (12, 17369913), (18, 11579942), (22, 9474498), (33, 6316332), (36, 5789971), (44, 4737249), (66, 3158166), (99, 2105444), (109, 1912284), (121, 1722636), (132, 1579083), (198, 1052722), (218, 956142), (242, 861318), (327, 637428), (363, 574212), (396, 526361), (436, 478071), (439, 474804), (484, 430659), (654, 318714), (726, 287106), (878, 237402), (981, 212476), (1089, 191404), (1199, 173844), (1308, 159357), (1317, 158268), (1452, 143553), (1756, 118701), (1962, 106238), (2178, 95702), (2398, 86922), (2634, 79134), (3597, 57948), (3924, 53119), (3951, 52756), (4356, 47851), (4796, 43461), (4829, 43164), (5268, 39567), (7194, 28974), (7902, 26378), (9658, 21582), (10791, 19316), (13189, 15804), (14388, 14487)]