217559272

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2801}}^1$

素因数の和:2906

約数の個数: 64

約数和(自身を含む): 497635200

約数和(自身を除く): 280075928

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 73, 76, 133, 146, 152, 266, 292, 511, 532, 584, 1022, 1064, 1387, 2044, 2774, 2801, 4088, 5548, 5602, 9709, 11096, 11204, 19418, 19607, 22408, 38836, 39214, 53219, 77672, 78428, 106438, 156856, 204473, 212876, 372533, 408946, 425752, 745066, 817892, 1431311, 1490132, 1635784, 2862622, 2980264, 3884987, 5725244, 7769974, 11450488, 15539948, 27194909, 31079896, 54389818, 108779636, 217559272]

約数ペア:

[(1, 217559272), (2, 108779636), (4, 54389818), (7, 31079896), (8, 27194909), (14, 15539948), (19, 11450488), (28, 7769974), (38, 5725244), (56, 3884987), (73, 2980264), (76, 2862622), (133, 1635784), (146, 1490132), (152, 1431311), (266, 817892), (292, 745066), (511, 425752), (532, 408946), (584, 372533), (1022, 212876), (1064, 204473), (1387, 156856), (2044, 106438), (2774, 78428), (2801, 77672), (4088, 53219), (5548, 39214), (5602, 38836), (9709, 22408), (11096, 19607), (11204, 19418)]