78572072

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{569}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 151540200

約数和(自身を除く): 72968128

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 421, 569, 842, 1138, 1684, 2276, 3368, 4552, 17261, 23329, 34522, 46658, 69044, 93316, 138088, 186632, 239549, 479098, 958196, 1916392, 9821509, 19643018, 39286036, 78572072]

約数ペア:

[(1, 78572072), (2, 39286036), (4, 19643018), (8, 9821509), (41, 1916392), (82, 958196), (164, 479098), (328, 239549), (421, 186632), (569, 138088), (842, 93316), (1138, 69044), (1684, 46658), (2276, 34522), (3368, 23329), (4552, 17261)]