7977872

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 19522560

約数和(自身を除く): 11544688

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 133, 152, 161, 163, 184, 266, 304, 322, 326, 368, 437, 532, 644, 652, 874, 1064, 1141, 1288, 1304, 1748, 2128, 2282, 2576, 2608, 3059, 3097, 3496, 3749, 4564, 6118, 6194, 6992, 7498, 9128, 12236, 12388, 14996, 18256, 21679, 24472, 24776, 26243, 29992, 43358, 48944, 49552, 52486, 59984, 71231, 86716, 104972, 142462, 173432, 209944, 284924, 346864, 419888, 498617, 569848, 997234, 1139696, 1994468, 3988936, 7977872]

約数ペア:

[(1, 7977872), (2, 3988936), (4, 1994468), (7, 1139696), (8, 997234), (14, 569848), (16, 498617), (19, 419888), (23, 346864), (28, 284924), (38, 209944), (46, 173432), (56, 142462), (76, 104972), (92, 86716), (112, 71231), (133, 59984), (152, 52486), (161, 49552), (163, 48944), (184, 43358), (266, 29992), (304, 26243), (322, 24776), (326, 24472), (368, 21679), (437, 18256), (532, 14996), (644, 12388), (652, 12236), (874, 9128), (1064, 7498), (1141, 6992), (1288, 6194), (1304, 6118), (1748, 4564), (2128, 3749), (2282, 3496), (2576, 3097), (2608, 3059)]