81298768

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{719}}^1$

素因数の和:955

約数の個数: 40

約数和(自身を含む): 162846720

約数和(自身を除く): 81547952

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 191, 296, 382, 592, 719, 764, 1438, 1528, 2876, 3056, 5752, 7067, 11504, 14134, 26603, 28268, 53206, 56536, 106412, 113072, 137329, 212824, 274658, 425648, 549316, 1098632, 2197264, 5081173, 10162346, 20324692, 40649384, 81298768]

約数ペア:

[(1, 81298768), (2, 40649384), (4, 20324692), (8, 10162346), (16, 5081173), (37, 2197264), (74, 1098632), (148, 549316), (191, 425648), (296, 274658), (382, 212824), (592, 137329), (719, 113072), (764, 106412), (1438, 56536), (1528, 53206), (2876, 28268), (3056, 26603), (5752, 14134), (7067, 11504)]