81100208

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1657}}^1$

素因数の和:1714

約数の個数: 80

約数和(自身を含む): 197368320

約数和(自身を除く): 116268112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 266, 304, 322, 368, 437, 532, 644, 874, 1064, 1288, 1657, 1748, 2128, 2576, 3059, 3314, 3496, 6118, 6628, 6992, 11599, 12236, 13256, 23198, 24472, 26512, 31483, 38111, 46396, 48944, 62966, 76222, 92792, 125932, 152444, 185584, 220381, 251864, 266777, 304888, 440762, 503728, 533554, 609776, 724109, 881524, 1067108, 1448218, 1763048, 2134216, 2896436, 3526096, 4268432, 5068763, 5792872, 10137526, 11585744, 20275052, 40550104, 81100208]

約数ペア:

[(1, 81100208), (2, 40550104), (4, 20275052), (7, 11585744), (8, 10137526), (14, 5792872), (16, 5068763), (19, 4268432), (23, 3526096), (28, 2896436), (38, 2134216), (46, 1763048), (56, 1448218), (76, 1067108), (92, 881524), (112, 724109), (133, 609776), (152, 533554), (161, 503728), (184, 440762), (266, 304888), (304, 266777), (322, 251864), (368, 220381), (437, 185584), (532, 152444), (644, 125932), (874, 92792), (1064, 76222), (1288, 62966), (1657, 48944), (1748, 46396), (2128, 38111), (2576, 31483), (3059, 26512), (3314, 24472), (3496, 23198), (6118, 13256), (6628, 12236), (6992, 11599)]