53191970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 108573696

約数和(自身を除く): 55381726

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 67, 130, 134, 155, 197, 310, 335, 394, 403, 670, 806, 871, 985, 1742, 1970, 2015, 2077, 2561, 4030, 4154, 4355, 5122, 6107, 8710, 10385, 12214, 12805, 13199, 20770, 25610, 26398, 27001, 30535, 54002, 61070, 65995, 79391, 131990, 135005, 158782, 171587, 270010, 343174, 396955, 409169, 793910, 818338, 857935, 1715870, 2045845, 4091690, 5319197, 10638394, 26595985, 53191970]

約数ペア:

[(1, 53191970), (2, 26595985), (5, 10638394), (10, 5319197), (13, 4091690), (26, 2045845), (31, 1715870), (62, 857935), (65, 818338), (67, 793910), (130, 409169), (134, 396955), (155, 343174), (197, 270010), (310, 171587), (335, 158782), (394, 135005), (403, 131990), (670, 79391), (806, 65995), (871, 61070), (985, 54002), (1742, 30535), (1970, 27001), (2015, 26398), (2077, 25610), (2561, 20770), (4030, 13199), (4154, 12805), (4355, 12214), (5122, 10385), (6107, 8710)]