2664016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 5499648

約数和(自身を除く): 2835632

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 131, 164, 248, 262, 328, 496, 524, 656, 1048, 1271, 2096, 2542, 4061, 5084, 5371, 8122, 10168, 10742, 16244, 20336, 21484, 32488, 42968, 64976, 85936, 166501, 333002, 666004, 1332008, 2664016]

約数ペア:

[(1, 2664016), (2, 1332008), (4, 666004), (8, 333002), (16, 166501), (31, 85936), (41, 64976), (62, 42968), (82, 32488), (124, 21484), (131, 20336), (164, 16244), (248, 10742), (262, 10168), (328, 8122), (496, 5371), (524, 5084), (656, 4061), (1048, 2542), (1271, 2096)]