71643604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 139345920

約数和(自身を除く): 67702316

約数列:

[1, 2, 4, 19, 31, 38, 47, 62, 76, 94, 124, 188, 589, 647, 893, 1178, 1294, 1457, 1786, 2356, 2588, 2914, 3572, 5828, 12293, 20057, 24586, 27683, 30409, 40114, 49172, 55366, 60818, 80228, 110732, 121636, 381083, 577771, 762166, 942679, 1155542, 1524332, 1885358, 2311084, 3770716, 17910901, 35821802, 71643604]

約数ペア:

[(1, 71643604), (2, 35821802), (4, 17910901), (19, 3770716), (31, 2311084), (38, 1885358), (47, 1524332), (62, 1155542), (76, 942679), (94, 762166), (124, 577771), (188, 381083), (589, 121636), (647, 110732), (893, 80228), (1178, 60818), (1294, 55366), (1457, 49172), (1786, 40114), (2356, 30409), (2588, 27683), (2914, 24586), (3572, 20057), (5828, 12293)]