201616885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 268128000

約数和(自身を除く): 66511115

約数列:

[1, 5, 19, 37, 41, 95, 185, 205, 703, 779, 1399, 1517, 3515, 3895, 6995, 7585, 26581, 28823, 51763, 57359, 132905, 144115, 258815, 286795, 983497, 1089821, 2122283, 4917485, 5449105, 10611415, 40323377, 201616885]

約数ペア:

[(1, 201616885), (5, 40323377), (19, 10611415), (37, 5449105), (41, 4917485), (95, 2122283), (185, 1089821), (205, 983497), (703, 286795), (779, 258815), (1399, 144115), (1517, 132905), (3515, 57359), (3895, 51763), (6995, 28823), (7585, 26581)]