28198736

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 62198400

約数和(自身を除く): 33999664

約数列:

[1, 2, 4, 8, 16, 19, 23, 37, 38, 46, 74, 76, 92, 109, 148, 152, 184, 218, 296, 304, 368, 436, 437, 592, 703, 851, 872, 874, 1406, 1702, 1744, 1748, 2071, 2507, 2812, 3404, 3496, 4033, 4142, 5014, 5624, 6808, 6992, 8066, 8284, 10028, 11248, 13616, 16132, 16169, 16568, 20056, 32264, 32338, 33136, 40112, 47633, 64528, 64676, 76627, 92759, 95266, 129352, 153254, 185518, 190532, 258704, 306508, 371036, 381064, 613016, 742072, 762128, 1226032, 1484144, 1762421, 3524842, 7049684, 14099368, 28198736]

約数ペア:

[(1, 28198736), (2, 14099368), (4, 7049684), (8, 3524842), (16, 1762421), (19, 1484144), (23, 1226032), (37, 762128), (38, 742072), (46, 613016), (74, 381064), (76, 371036), (92, 306508), (109, 258704), (148, 190532), (152, 185518), (184, 153254), (218, 129352), (296, 95266), (304, 92759), (368, 76627), (436, 64676), (437, 64528), (592, 47633), (703, 40112), (851, 33136), (872, 32338), (874, 32264), (1406, 20056), (1702, 16568), (1744, 16169), (1748, 16132), (2071, 13616), (2507, 11248), (2812, 10028), (3404, 8284), (3496, 8066), (4033, 6992), (4142, 6808), (5014, 5624)]