71498648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 151710720

約数和(自身を除く): 80212072

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 67, 104, 124, 134, 248, 268, 331, 403, 536, 662, 806, 871, 1324, 1612, 1742, 2077, 2648, 3224, 3484, 4154, 4303, 6968, 8308, 8606, 10261, 16616, 17212, 20522, 22177, 27001, 34424, 41044, 44354, 54002, 82088, 88708, 108004, 133393, 177416, 216008, 266786, 288301, 533572, 576602, 687487, 1067144, 1153204, 1374974, 2306408, 2749948, 5499896, 8937331, 17874662, 35749324, 71498648]

約数ペア:

[(1, 71498648), (2, 35749324), (4, 17874662), (8, 8937331), (13, 5499896), (26, 2749948), (31, 2306408), (52, 1374974), (62, 1153204), (67, 1067144), (104, 687487), (124, 576602), (134, 533572), (248, 288301), (268, 266786), (331, 216008), (403, 177416), (536, 133393), (662, 108004), (806, 88708), (871, 82088), (1324, 54002), (1612, 44354), (1742, 41044), (2077, 34424), (2648, 27001), (3224, 22177), (3484, 20522), (4154, 17212), (4303, 16616), (6968, 10261), (8308, 8606)]