38405992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 81648000

約数和(自身を除く): 43242008

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 89, 136, 152, 167, 178, 323, 334, 356, 646, 668, 712, 1292, 1336, 1513, 1691, 2584, 2839, 3026, 3173, 3382, 5678, 6052, 6346, 6764, 11356, 12104, 12692, 13528, 14863, 22712, 25384, 28747, 29726, 53941, 57494, 59452, 107882, 114988, 118904, 215764, 229976, 252671, 282397, 431528, 505342, 564794, 1010684, 1129588, 2021368, 2259176, 4800749, 9601498, 19202996, 38405992]

約数ペア:

[(1, 38405992), (2, 19202996), (4, 9601498), (8, 4800749), (17, 2259176), (19, 2021368), (34, 1129588), (38, 1010684), (68, 564794), (76, 505342), (89, 431528), (136, 282397), (152, 252671), (167, 229976), (178, 215764), (323, 118904), (334, 114988), (356, 107882), (646, 59452), (668, 57494), (712, 53941), (1292, 29726), (1336, 28747), (1513, 25384), (1691, 22712), (2584, 14863), (2839, 13528), (3026, 12692), (3173, 12104), (3382, 11356), (5678, 6764), (6052, 6346)]