51571910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 105283584

約数和(自身を除く): 53711674

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 67, 130, 134, 155, 191, 310, 335, 382, 403, 670, 806, 871, 955, 1742, 1910, 2015, 2077, 2483, 4030, 4154, 4355, 4966, 5921, 8710, 10385, 11842, 12415, 12797, 20770, 24830, 25594, 27001, 29605, 54002, 59210, 63985, 76973, 127970, 135005, 153946, 166361, 270010, 332722, 384865, 396707, 769730, 793414, 831805, 1663610, 1983535, 3967070, 5157191, 10314382, 25785955, 51571910]

約数ペア:

[(1, 51571910), (2, 25785955), (5, 10314382), (10, 5157191), (13, 3967070), (26, 1983535), (31, 1663610), (62, 831805), (65, 793414), (67, 769730), (130, 396707), (134, 384865), (155, 332722), (191, 270010), (310, 166361), (335, 153946), (382, 135005), (403, 127970), (670, 76973), (806, 63985), (871, 59210), (955, 54002), (1742, 29605), (1910, 27001), (2015, 25594), (2077, 24830), (2483, 20770), (4030, 12797), (4154, 12415), (4355, 11842), (4966, 10385), (5921, 8710)]