28004564

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 29911084

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 113, 167, 212, 226, 334, 371, 452, 668, 742, 791, 1169, 1484, 1582, 2338, 3164, 4676, 5989, 8851, 11978, 17702, 18871, 23956, 35404, 37742, 41923, 61957, 75484, 83846, 123914, 132097, 167692, 247828, 264194, 528388, 1000163, 2000326, 4000652, 7001141, 14002282, 28004564]

約数ペア:

[(1, 28004564), (2, 14002282), (4, 7001141), (7, 4000652), (14, 2000326), (28, 1000163), (53, 528388), (106, 264194), (113, 247828), (167, 167692), (212, 132097), (226, 123914), (334, 83846), (371, 75484), (452, 61957), (668, 41923), (742, 37742), (791, 35404), (1169, 23956), (1484, 18871), (1582, 17702), (2338, 11978), (3164, 8851), (4676, 5989)]