201902855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^2$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 317302272

約数和(自身を除く): 115399417

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 151, 161, 253, 385, 755, 805, 1057, 1265, 1661, 1771, 3473, 5285, 8305, 8855, 11627, 17365, 22801, 24311, 38203, 58135, 114005, 121555, 159607, 191015, 250811, 267421, 524423, 798035, 1254055, 1337105, 1755677, 2622115, 3670961, 5768653, 8778385, 18354805, 28843265, 40380571, 201902855]

約数ペア:

[(1, 201902855), (5, 40380571), (7, 28843265), (11, 18354805), (23, 8778385), (35, 5768653), (55, 3670961), (77, 2622115), (115, 1755677), (151, 1337105), (161, 1254055), (253, 798035), (385, 524423), (755, 267421), (805, 250811), (1057, 191015), (1265, 159607), (1661, 121555), (1771, 114005), (3473, 58135), (5285, 38203), (8305, 24311), (8855, 22801), (11627, 17365)]