201909916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 399002688

約数和(自身を除く): 197092772

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 401, 421, 598, 802, 842, 1196, 1604, 1684, 5213, 5473, 9223, 9683, 10426, 10946, 18446, 19366, 20852, 21892, 36892, 38732, 119899, 125879, 168821, 239798, 251758, 337642, 479596, 503516, 675284, 2194673, 3882883, 4389346, 7765766, 8778692, 15531532, 50477479, 100954958, 201909916]

約数ペア:

[(1, 201909916), (2, 100954958), (4, 50477479), (13, 15531532), (23, 8778692), (26, 7765766), (46, 4389346), (52, 3882883), (92, 2194673), (299, 675284), (401, 503516), (421, 479596), (598, 337642), (802, 251758), (842, 239798), (1196, 168821), (1604, 125879), (1684, 119899), (5213, 38732), (5473, 36892), (9223, 21892), (9683, 20852), (10426, 19366), (10946, 18446)]