25370488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 56891520

約数和(自身を除く): 31521032

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 67, 88, 104, 134, 143, 268, 286, 331, 536, 572, 662, 737, 871, 1144, 1324, 1474, 1742, 2648, 2948, 3484, 3641, 4303, 5896, 6968, 7282, 8606, 9581, 14564, 17212, 19162, 22177, 29128, 34424, 38324, 44354, 47333, 76648, 88708, 94666, 177416, 189332, 243947, 288301, 378664, 487894, 576602, 975788, 1153204, 1951576, 2306408, 3171311, 6342622, 12685244, 25370488]

約数ペア:

[(1, 25370488), (2, 12685244), (4, 6342622), (8, 3171311), (11, 2306408), (13, 1951576), (22, 1153204), (26, 975788), (44, 576602), (52, 487894), (67, 378664), (88, 288301), (104, 243947), (134, 189332), (143, 177416), (268, 94666), (286, 88708), (331, 76648), (536, 47333), (572, 44354), (662, 38324), (737, 34424), (871, 29128), (1144, 22177), (1324, 19162), (1474, 17212), (1742, 14564), (2648, 9581), (2948, 8606), (3484, 7282), (3641, 6968), (4303, 5896)]