81003248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{829}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 163025280

約数和(自身を除く): 82022032

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 197, 248, 394, 496, 788, 829, 1576, 1658, 3152, 3316, 6107, 6632, 12214, 13264, 24428, 25699, 48856, 51398, 97712, 102796, 163313, 205592, 326626, 411184, 653252, 1306504, 2613008, 5062703, 10125406, 20250812, 40501624, 81003248]

約数ペア:

[(1, 81003248), (2, 40501624), (4, 20250812), (8, 10125406), (16, 5062703), (31, 2613008), (62, 1306504), (124, 653252), (197, 411184), (248, 326626), (394, 205592), (496, 163313), (788, 102796), (829, 97712), (1576, 51398), (1658, 48856), (3152, 25699), (3316, 24428), (6107, 13264), (6632, 12214)]