208594908

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 546815360

約数和(自身を除く): 338220452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 409, 457, 558, 818, 914, 1116, 1227, 1371, 1636, 1828, 2454, 2742, 3681, 4113, 4908, 5484, 7362, 8226, 12679, 14167, 14724, 16452, 25358, 28334, 38037, 42501, 50716, 56668, 76074, 85002, 114111, 127503, 152148, 170004, 186913, 228222, 255006, 373826, 456444, 510012, 560739, 747652, 1121478, 1682217, 2242956, 3364434, 5794303, 6728868, 11588606, 17382909, 23177212, 34765818, 52148727, 69531636, 104297454, 208594908]

約数ペア:

[(1, 208594908), (2, 104297454), (3, 69531636), (4, 52148727), (6, 34765818), (9, 23177212), (12, 17382909), (18, 11588606), (31, 6728868), (36, 5794303), (62, 3364434), (93, 2242956), (124, 1682217), (186, 1121478), (279, 747652), (372, 560739), (409, 510012), (457, 456444), (558, 373826), (818, 255006), (914, 228222), (1116, 186913), (1227, 170004), (1371, 152148), (1636, 127503), (1828, 114111), (2454, 85002), (2742, 76074), (3681, 56668), (4113, 50716), (4908, 42501), (5484, 38037), (7362, 28334), (8226, 25358), (12679, 16452), (14167, 14724)]