213529550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10597}}^1$

素因数の和:10653

約数の個数: 48

約数和(自身を含む): 441555072

約数和(自身を除く): 228025522

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 10597, 20150, 21194, 52985, 105970, 137761, 264925, 275522, 328507, 529850, 657014, 688805, 1377610, 1642535, 3285070, 3444025, 4270591, 6888050, 8212675, 8541182, 16425350, 21352955, 42705910, 106764775, 213529550]

約数ペア:

[(1, 213529550), (2, 106764775), (5, 42705910), (10, 21352955), (13, 16425350), (25, 8541182), (26, 8212675), (31, 6888050), (50, 4270591), (62, 3444025), (65, 3285070), (130, 1642535), (155, 1377610), (310, 688805), (325, 657014), (403, 529850), (650, 328507), (775, 275522), (806, 264925), (1550, 137761), (2015, 105970), (4030, 52985), (10075, 21194), (10597, 20150)]