681824664

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{305477}}^1$

素因数の和:305520

約数の個数: 48

約数和(自身を含む): 1906182720

約数和(自身を除く): 1224358056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 305477, 610954, 916431, 1221908, 1832862, 2443816, 2749293, 3665724, 5498586, 7331448, 9469787, 10997172, 18939574, 21994344, 28409361, 37879148, 56818722, 75758296, 85228083, 113637444, 170456166, 227274888, 340912332, 681824664]

約数ペア:

[(1, 681824664), (2, 340912332), (3, 227274888), (4, 170456166), (6, 113637444), (8, 85228083), (9, 75758296), (12, 56818722), (18, 37879148), (24, 28409361), (31, 21994344), (36, 18939574), (62, 10997172), (72, 9469787), (93, 7331448), (124, 5498586), (186, 3665724), (248, 2749293), (279, 2443816), (372, 1832862), (558, 1221908), (744, 916431), (1116, 610954), (2232, 305477)]