12969904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 40

約数和(自身を含む): 26347520

約数和(自身を除く): 13377616

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 331, 496, 632, 662, 1264, 1324, 2449, 2648, 4898, 5296, 9796, 10261, 19592, 20522, 26149, 39184, 41044, 52298, 82088, 104596, 164176, 209192, 418384, 810619, 1621238, 3242476, 6484952, 12969904]

約数ペア:

[(1, 12969904), (2, 6484952), (4, 3242476), (8, 1621238), (16, 810619), (31, 418384), (62, 209192), (79, 164176), (124, 104596), (158, 82088), (248, 52298), (316, 41044), (331, 39184), (496, 26149), (632, 20522), (662, 19592), (1264, 10261), (1324, 9796), (2449, 5296), (2648, 4898)]