636587988

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{2357}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 1511685504

約数和(自身を除く): 875097516

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 317, 426, 634, 852, 951, 1268, 1902, 2357, 3804, 4714, 7071, 9428, 14142, 22507, 28284, 45014, 67521, 90028, 135042, 167347, 270084, 334694, 502041, 669388, 747169, 1004082, 1494338, 2008164, 2241507, 2988676, 4483014, 8966028, 53048999, 106097998, 159146997, 212195996, 318293994, 636587988]

約数ペア:

[(1, 636587988), (2, 318293994), (3, 212195996), (4, 159146997), (6, 106097998), (12, 53048999), (71, 8966028), (142, 4483014), (213, 2988676), (284, 2241507), (317, 2008164), (426, 1494338), (634, 1004082), (852, 747169), (951, 669388), (1268, 502041), (1902, 334694), (2357, 270084), (3804, 167347), (4714, 135042), (7071, 90028), (9428, 67521), (14142, 45014), (22507, 28284)]