28912376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 32777224

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 67, 68, 76, 134, 136, 152, 167, 268, 323, 334, 536, 646, 668, 1139, 1273, 1292, 1336, 2278, 2546, 2584, 2839, 3173, 4556, 5092, 5678, 6346, 9112, 10184, 11189, 11356, 12692, 21641, 22378, 22712, 25384, 43282, 44756, 53941, 86564, 89512, 107882, 173128, 190213, 212591, 215764, 380426, 425182, 431528, 760852, 850364, 1521704, 1700728, 3614047, 7228094, 14456188, 28912376]

約数ペア:

[(1, 28912376), (2, 14456188), (4, 7228094), (8, 3614047), (17, 1700728), (19, 1521704), (34, 850364), (38, 760852), (67, 431528), (68, 425182), (76, 380426), (134, 215764), (136, 212591), (152, 190213), (167, 173128), (268, 107882), (323, 89512), (334, 86564), (536, 53941), (646, 44756), (668, 43282), (1139, 25384), (1273, 22712), (1292, 22378), (1336, 21641), (2278, 12692), (2546, 11356), (2584, 11189), (2839, 10184), (3173, 9112), (4556, 6346), (5092, 5678)]