2565904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 5535360

約数和(自身を除く): 2969456

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 239, 244, 478, 488, 671, 956, 976, 1342, 1912, 2629, 2684, 3824, 5258, 5368, 10516, 10736, 14579, 21032, 29158, 42064, 58316, 116632, 160369, 233264, 320738, 641476, 1282952, 2565904]

約数ペア:

[(1, 2565904), (2, 1282952), (4, 641476), (8, 320738), (11, 233264), (16, 160369), (22, 116632), (44, 58316), (61, 42064), (88, 29158), (122, 21032), (176, 14579), (239, 10736), (244, 10516), (478, 5368), (488, 5258), (671, 3824), (956, 2684), (976, 2629), (1342, 1912)]