663282625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 939714048

約数和(自身を除く): 276431423

約数列:

[1, 5, 17, 23, 25, 41, 85, 115, 125, 205, 331, 391, 425, 575, 697, 943, 1025, 1655, 1955, 2125, 2875, 3485, 4715, 5125, 5627, 7613, 8275, 9775, 13571, 16031, 17425, 23575, 28135, 38065, 41375, 48875, 67855, 80155, 87125, 117875, 129421, 140675, 190325, 230707, 312133, 339275, 400775, 647105, 703375, 951625, 1153535, 1560665, 1696375, 2003875, 3235525, 5306261, 5767675, 7803325, 16177625, 26531305, 28838375, 39016625, 132656525, 663282625]

約数ペア:

[(1, 663282625), (5, 132656525), (17, 39016625), (23, 28838375), (25, 26531305), (41, 16177625), (85, 7803325), (115, 5767675), (125, 5306261), (205, 3235525), (331, 2003875), (391, 1696375), (425, 1560665), (575, 1153535), (697, 951625), (943, 703375), (1025, 647105), (1655, 400775), (1955, 339275), (2125, 312133), (2875, 230707), (3485, 190325), (4715, 140675), (5125, 129421), (5627, 117875), (7613, 87125), (8275, 80155), (9775, 67855), (13571, 48875), (16031, 41375), (17425, 38065), (23575, 28135)]