201998518982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1\times {\mathrm{208049}}^1$

素因数の和:208520

約数の個数: 32

約数和(自身を含む): 330300180000

約数和(自身を除く): 128301661018

約数列:

[1, 2, 13, 26, 107, 214, 349, 698, 1391, 2782, 4537, 9074, 37343, 74686, 208049, 416098, 485459, 970918, 2704637, 5409274, 22261243, 44522486, 72609101, 145218202, 289396159, 578792318, 943918313, 1887836626, 7769173807, 15538347614, 100999259491, 201998518982]

約数ペア:

[(1, 201998518982), (2, 100999259491), (13, 15538347614), (26, 7769173807), (107, 1887836626), (214, 943918313), (349, 578792318), (698, 289396159), (1391, 145218202), (2782, 72609101), (4537, 44522486), (9074, 22261243), (37343, 5409274), (74686, 2704637), (208049, 970918), (416098, 485459)]