87801356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 168389760

約数和(自身を除く): 80588404

約数列:

[1, 2, 4, 19, 38, 43, 67, 76, 86, 134, 172, 268, 401, 802, 817, 1273, 1604, 1634, 2546, 2881, 3268, 5092, 5762, 7619, 11524, 15238, 17243, 26867, 30476, 34486, 53734, 54739, 68972, 107468, 109478, 218956, 327617, 510473, 655234, 1020946, 1155281, 1310468, 2041892, 2310562, 4621124, 21950339, 43900678, 87801356]

約数ペア:

[(1, 87801356), (2, 43900678), (4, 21950339), (19, 4621124), (38, 2310562), (43, 2041892), (67, 1310468), (76, 1155281), (86, 1020946), (134, 655234), (172, 510473), (268, 327617), (401, 218956), (802, 109478), (817, 107468), (1273, 68972), (1604, 54739), (1634, 53734), (2546, 34486), (2881, 30476), (3268, 26867), (5092, 17243), (5762, 15238), (7619, 11524)]