998707996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47189}}^1$

素因数の和:47254

約数の個数: 48

約数和(自身を含む): 2108826720

約数和(自身を除く): 1110118724

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 962, 1628, 1924, 5291, 10582, 21164, 47189, 94378, 188756, 519079, 613457, 1038158, 1226914, 1745993, 2076316, 2453828, 3491986, 6748027, 6983972, 13496054, 19205923, 22697909, 26992108, 38411846, 45395818, 76823692, 90791636, 249676999, 499353998, 998707996]

約数ペア:

[(1, 998707996), (2, 499353998), (4, 249676999), (11, 90791636), (13, 76823692), (22, 45395818), (26, 38411846), (37, 26992108), (44, 22697909), (52, 19205923), (74, 13496054), (143, 6983972), (148, 6748027), (286, 3491986), (407, 2453828), (481, 2076316), (572, 1745993), (814, 1226914), (962, 1038158), (1628, 613457), (1924, 519079), (5291, 188756), (10582, 94378), (21164, 47189)]