81849796

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 181305600

約数和(自身を除く): 99455804

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 196, 217, 266, 434, 532, 589, 709, 868, 931, 1178, 1418, 1519, 1862, 2356, 2836, 3038, 3724, 4123, 4963, 6076, 8246, 9926, 13471, 16492, 19852, 21979, 26942, 28861, 34741, 43958, 53884, 57722, 69482, 87916, 94297, 115444, 138964, 153853, 188594, 307706, 377188, 417601, 615412, 660079, 835202, 1076971, 1320158, 1670404, 2153942, 2640316, 2923207, 4307884, 5846414, 11692828, 20462449, 40924898, 81849796]

約数ペア:

[(1, 81849796), (2, 40924898), (4, 20462449), (7, 11692828), (14, 5846414), (19, 4307884), (28, 2923207), (31, 2640316), (38, 2153942), (49, 1670404), (62, 1320158), (76, 1076971), (98, 835202), (124, 660079), (133, 615412), (196, 417601), (217, 377188), (266, 307706), (434, 188594), (532, 153853), (589, 138964), (709, 115444), (868, 94297), (931, 87916), (1178, 69482), (1418, 57722), (1519, 53884), (1862, 43958), (2356, 34741), (2836, 28861), (3038, 26942), (3724, 21979), (4123, 19852), (4963, 16492), (6076, 13471), (8246, 9926)]