208507984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{3209}}^1$

素因数の和:3379

約数の個数: 40

約数和(自身を含む): 420330240

約数和(自身を除く): 211822256

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 131, 248, 262, 496, 524, 1048, 2096, 3209, 4061, 6418, 8122, 12836, 16244, 25672, 32488, 51344, 64976, 99479, 198958, 397916, 420379, 795832, 840758, 1591664, 1681516, 3363032, 6726064, 13031749, 26063498, 52126996, 104253992, 208507984]

約数ペア:

[(1, 208507984), (2, 104253992), (4, 52126996), (8, 26063498), (16, 13031749), (31, 6726064), (62, 3363032), (124, 1681516), (131, 1591664), (248, 840758), (262, 795832), (496, 420379), (524, 397916), (1048, 198958), (2096, 99479), (3209, 64976), (4061, 51344), (6418, 32488), (8122, 25672), (12836, 16244)]