1998012

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 4967424

約数和(自身を除く): 2969412

約数列:

[1, 2, 3, 4, 6, 12, 31, 41, 62, 82, 93, 123, 124, 131, 164, 186, 246, 262, 372, 393, 492, 524, 786, 1271, 1572, 2542, 3813, 4061, 5084, 5371, 7626, 8122, 10742, 12183, 15252, 16113, 16244, 21484, 24366, 32226, 48732, 64452, 166501, 333002, 499503, 666004, 999006, 1998012]

約数ペア:

[(1, 1998012), (2, 999006), (3, 666004), (4, 499503), (6, 333002), (12, 166501), (31, 64452), (41, 48732), (62, 32226), (82, 24366), (93, 21484), (123, 16244), (124, 16113), (131, 15252), (164, 12183), (186, 10742), (246, 8122), (262, 7626), (372, 5371), (393, 5084), (492, 4061), (524, 3813), (786, 2542), (1271, 1572)]