40657778

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 74390400

約数和(自身を除く): 33732622

約数列:

[1, 2, 7, 14, 17, 34, 119, 139, 238, 278, 973, 1229, 1946, 2363, 2458, 4726, 8603, 16541, 17206, 20893, 33082, 41786, 146251, 170831, 292502, 341662, 1195817, 2391634, 2904127, 5808254, 20328889, 40657778]

約数ペア:

[(1, 40657778), (2, 20328889), (7, 5808254), (14, 2904127), (17, 2391634), (34, 1195817), (119, 341662), (139, 292502), (238, 170831), (278, 146251), (973, 41786), (1229, 33082), (1946, 20893), (2363, 17206), (2458, 16541), (4726, 8603)]