28734948

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 79934400

約数和(自身を除く): 51199452

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 149, 198, 298, 396, 447, 487, 596, 894, 974, 1341, 1461, 1639, 1788, 1948, 2682, 2922, 3278, 4383, 4917, 5357, 5364, 5844, 6556, 8766, 9834, 10714, 14751, 16071, 17532, 19668, 21428, 29502, 32142, 48213, 59004, 64284, 72563, 96426, 145126, 192852, 217689, 290252, 435378, 653067, 798193, 870756, 1306134, 1596386, 2394579, 2612268, 3192772, 4789158, 7183737, 9578316, 14367474, 28734948]

約数ペア:

[(1, 28734948), (2, 14367474), (3, 9578316), (4, 7183737), (6, 4789158), (9, 3192772), (11, 2612268), (12, 2394579), (18, 1596386), (22, 1306134), (33, 870756), (36, 798193), (44, 653067), (66, 435378), (99, 290252), (132, 217689), (149, 192852), (198, 145126), (298, 96426), (396, 72563), (447, 64284), (487, 59004), (596, 48213), (894, 32142), (974, 29502), (1341, 21428), (1461, 19668), (1639, 17532), (1788, 16071), (1948, 14751), (2682, 10714), (2922, 9834), (3278, 8766), (4383, 6556), (4917, 5844), (5357, 5364)]