1285248965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{523}}^1$

素因数の和:1050

約数の個数: 64

約数和(自身を含む): 2078963712

約数和(自身を除く): 793714747

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 491, 523, 715, 1001, 2455, 2615, 3437, 3661, 5005, 5401, 5753, 6383, 6799, 17185, 18305, 27005, 28765, 31915, 33995, 37807, 40271, 44681, 47593, 70213, 74789, 189035, 201355, 223405, 237965, 256793, 351065, 373945, 491491, 523523, 1283965, 1797551, 2457455, 2617615, 2824723, 3338309, 8987755, 14123615, 16691545, 19773061, 23368163, 36721399, 98865305, 116840815, 183606995, 257049793, 1285248965]

約数ペア:

[(1, 1285248965), (5, 257049793), (7, 183606995), (11, 116840815), (13, 98865305), (35, 36721399), (55, 23368163), (65, 19773061), (77, 16691545), (91, 14123615), (143, 8987755), (385, 3338309), (455, 2824723), (491, 2617615), (523, 2457455), (715, 1797551), (1001, 1283965), (2455, 523523), (2615, 491491), (3437, 373945), (3661, 351065), (5005, 256793), (5401, 237965), (5753, 223405), (6383, 201355), (6799, 189035), (17185, 74789), (18305, 70213), (27005, 47593), (28765, 44681), (31915, 40271), (33995, 37807)]