28806498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 73749312

約数和(自身を除く): 44942814

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 167, 222, 259, 333, 334, 501, 518, 666, 777, 1002, 1169, 1369, 1503, 1554, 2331, 2338, 2738, 3006, 3507, 4107, 4662, 6179, 7014, 8214, 9583, 10521, 12321, 12358, 18537, 19166, 21042, 24642, 28749, 37074, 43253, 55611, 57498, 86247, 86506, 111222, 129759, 172494, 228623, 259518, 389277, 457246, 685869, 778554, 1371738, 1600361, 2057607, 3200722, 4115214, 4801083, 9602166, 14403249, 28806498]

約数ペア:

[(1, 28806498), (2, 14403249), (3, 9602166), (6, 4801083), (7, 4115214), (9, 3200722), (14, 2057607), (18, 1600361), (21, 1371738), (37, 778554), (42, 685869), (63, 457246), (74, 389277), (111, 259518), (126, 228623), (167, 172494), (222, 129759), (259, 111222), (333, 86506), (334, 86247), (501, 57498), (518, 55611), (666, 43253), (777, 37074), (1002, 28749), (1169, 24642), (1369, 21042), (1503, 19166), (1554, 18537), (2331, 12358), (2338, 12321), (2738, 10521), (3006, 9583), (3507, 8214), (4107, 7014), (4662, 6179)]