388136664

素因数分解:

$2^3\times 3^3\times {\mathrm{521}}^1\times {\mathrm{3449}}^1$

素因数の和:3985

約数の個数: 64

約数和(自身を含む): 1080540000

約数和(自身を除く): 692403336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 521, 1042, 1563, 2084, 3126, 3449, 4168, 4689, 6252, 6898, 9378, 10347, 12504, 13796, 14067, 18756, 20694, 27592, 28134, 31041, 37512, 41388, 56268, 62082, 82776, 93123, 112536, 124164, 186246, 248328, 372492, 744984, 1796929, 3593858, 5390787, 7187716, 10781574, 14375432, 16172361, 21563148, 32344722, 43126296, 48517083, 64689444, 97034166, 129378888, 194068332, 388136664]

約数ペア:

[(1, 388136664), (2, 194068332), (3, 129378888), (4, 97034166), (6, 64689444), (8, 48517083), (9, 43126296), (12, 32344722), (18, 21563148), (24, 16172361), (27, 14375432), (36, 10781574), (54, 7187716), (72, 5390787), (108, 3593858), (216, 1796929), (521, 744984), (1042, 372492), (1563, 248328), (2084, 186246), (3126, 124164), (3449, 112536), (4168, 93123), (4689, 82776), (6252, 62082), (6898, 56268), (9378, 41388), (10347, 37512), (12504, 31041), (13796, 28134), (14067, 27592), (18756, 20694)]