215014792

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 441619200

約数和(自身を除く): 226604408

約数列:

[1, 2, 4, 8, 19, 38, 43, 67, 76, 86, 134, 152, 172, 268, 344, 491, 536, 817, 982, 1273, 1634, 1964, 2546, 2881, 3268, 3928, 5092, 5762, 6536, 9329, 10184, 11524, 18658, 21113, 23048, 32897, 37316, 42226, 54739, 65794, 74632, 84452, 109478, 131588, 168904, 218956, 263176, 401147, 437912, 625043, 802294, 1250086, 1414571, 1604588, 2500172, 2829142, 3209176, 5000344, 5658284, 11316568, 26876849, 53753698, 107507396, 215014792]

約数ペア:

[(1, 215014792), (2, 107507396), (4, 53753698), (8, 26876849), (19, 11316568), (38, 5658284), (43, 5000344), (67, 3209176), (76, 2829142), (86, 2500172), (134, 1604588), (152, 1414571), (172, 1250086), (268, 802294), (344, 625043), (491, 437912), (536, 401147), (817, 263176), (982, 218956), (1273, 168904), (1634, 131588), (1964, 109478), (2546, 84452), (2881, 74632), (3268, 65794), (3928, 54739), (5092, 42226), (5762, 37316), (6536, 32897), (9329, 23048), (10184, 21113), (11524, 18658)]