28142156

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 59512320

約数和(自身を除く): 31370164

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 491, 623, 644, 982, 1246, 1964, 2047, 2492, 3437, 4094, 6874, 8188, 11293, 13748, 14329, 22586, 28658, 43699, 45172, 57316, 79051, 87398, 158102, 174796, 305893, 316204, 611786, 1005077, 1223572, 2010154, 4020308, 7035539, 14071078, 28142156]

約数ペア:

[(1, 28142156), (2, 14071078), (4, 7035539), (7, 4020308), (14, 2010154), (23, 1223572), (28, 1005077), (46, 611786), (89, 316204), (92, 305893), (161, 174796), (178, 158102), (322, 87398), (356, 79051), (491, 57316), (623, 45172), (644, 43699), (982, 28658), (1246, 22586), (1964, 14329), (2047, 13748), (2492, 11293), (3437, 8188), (4094, 6874)]