261626274

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17747}}^1$

素因数の和:17781

約数の個数: 80

約数和(自身を含む): 721562688

約数和(自身を除く): 459936414

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 273, 351, 378, 546, 567, 702, 819, 1053, 1134, 1638, 2106, 2457, 4914, 7371, 14742, 17747, 35494, 53241, 106482, 124229, 159723, 230711, 248458, 319446, 372687, 461422, 479169, 692133, 745374, 958338, 1118061, 1384266, 1437507, 1614977, 2076399, 2236122, 2875014, 3229954, 3354183, 4152798, 4844931, 6229197, 6708366, 9689862, 10062549, 12458394, 14534793, 18687591, 20125098, 29069586, 37375182, 43604379, 87208758, 130813137, 261626274]

約数ペア:

[(1, 261626274), (2, 130813137), (3, 87208758), (6, 43604379), (7, 37375182), (9, 29069586), (13, 20125098), (14, 18687591), (18, 14534793), (21, 12458394), (26, 10062549), (27, 9689862), (39, 6708366), (42, 6229197), (54, 4844931), (63, 4152798), (78, 3354183), (81, 3229954), (91, 2875014), (117, 2236122), (126, 2076399), (162, 1614977), (182, 1437507), (189, 1384266), (234, 1118061), (273, 958338), (351, 745374), (378, 692133), (546, 479169), (567, 461422), (702, 372687), (819, 319446), (1053, 248458), (1134, 230711), (1638, 159723), (2106, 124229), (2457, 106482), (4914, 53241), (7371, 35494), (14742, 17747)]