387421658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 669537792

約数和(自身を除く): 282116134

約数列:

[1, 2, 13, 26, 43, 47, 73, 86, 94, 101, 146, 202, 559, 611, 949, 1118, 1222, 1313, 1898, 2021, 2626, 3139, 3431, 4042, 4343, 4747, 6278, 6862, 7373, 8686, 9494, 14746, 26273, 40807, 44603, 52546, 56459, 61711, 81614, 89206, 95849, 112918, 123422, 147533, 191698, 204121, 295066, 317039, 346531, 408242, 634078, 693062, 1917929, 2653573, 3835858, 4121507, 4504903, 5307146, 8243014, 9009806, 14900833, 29801666, 193710829, 387421658]

約数ペア:

[(1, 387421658), (2, 193710829), (13, 29801666), (26, 14900833), (43, 9009806), (47, 8243014), (73, 5307146), (86, 4504903), (94, 4121507), (101, 3835858), (146, 2653573), (202, 1917929), (559, 693062), (611, 634078), (949, 408242), (1118, 346531), (1222, 317039), (1313, 295066), (1898, 204121), (2021, 191698), (2626, 147533), (3139, 123422), (3431, 112918), (4042, 95849), (4343, 89206), (4747, 81614), (6278, 61711), (6862, 56459), (7373, 52546), (8686, 44603), (9494, 40807), (14746, 26273)]