25089988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 57718080

約数和(自身を除く): 32628092

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 53, 58, 77, 106, 116, 154, 203, 212, 308, 319, 371, 406, 583, 638, 742, 812, 1166, 1276, 1484, 1537, 2233, 2332, 2809, 3074, 4081, 4466, 5618, 6148, 8162, 8932, 10759, 11236, 16324, 16907, 19663, 21518, 30899, 33814, 39326, 43036, 61798, 67628, 78652, 81461, 118349, 123596, 162922, 216293, 236698, 325844, 432586, 473396, 570227, 865172, 896071, 1140454, 1792142, 2280908, 3584284, 6272497, 12544994, 25089988]

約数ペア:

[(1, 25089988), (2, 12544994), (4, 6272497), (7, 3584284), (11, 2280908), (14, 1792142), (22, 1140454), (28, 896071), (29, 865172), (44, 570227), (53, 473396), (58, 432586), (77, 325844), (106, 236698), (116, 216293), (154, 162922), (203, 123596), (212, 118349), (308, 81461), (319, 78652), (371, 67628), (406, 61798), (583, 43036), (638, 39326), (742, 33814), (812, 30899), (1166, 21518), (1276, 19663), (1484, 16907), (1537, 16324), (2233, 11236), (2332, 10759), (2809, 8932), (3074, 8162), (4081, 6148), (4466, 5618)]