198940688

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{1229}}^1$

素因数の和:1455

約数の個数: 40

約数和(自身を含む): 394111680

約数和(自身を除く): 195170992

約数列:

[1, 2, 4, 8, 16, 67, 134, 151, 268, 302, 536, 604, 1072, 1208, 1229, 2416, 2458, 4916, 9832, 10117, 19664, 20234, 40468, 80936, 82343, 161872, 164686, 185579, 329372, 371158, 658744, 742316, 1317488, 1484632, 2969264, 12433793, 24867586, 49735172, 99470344, 198940688]

約数ペア:

[(1, 198940688), (2, 99470344), (4, 49735172), (8, 24867586), (16, 12433793), (67, 2969264), (134, 1484632), (151, 1317488), (268, 742316), (302, 658744), (536, 371158), (604, 329372), (1072, 185579), (1208, 164686), (1229, 161872), (2416, 82343), (2458, 80936), (4916, 40468), (9832, 20234), (10117, 19664)]