28180284

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 74102784

約数和(自身を除く): 45922500

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 44, 66, 82, 123, 127, 132, 164, 246, 254, 381, 451, 492, 508, 762, 902, 1353, 1397, 1524, 1681, 1804, 2706, 2794, 3362, 4191, 5043, 5207, 5412, 5588, 6724, 8382, 10086, 10414, 15621, 16764, 18491, 20172, 20828, 31242, 36982, 55473, 57277, 62484, 73964, 110946, 114554, 171831, 213487, 221892, 229108, 343662, 426974, 640461, 687324, 853948, 1280922, 2348357, 2561844, 4696714, 7045071, 9393428, 14090142, 28180284]

約数ペア:

[(1, 28180284), (2, 14090142), (3, 9393428), (4, 7045071), (6, 4696714), (11, 2561844), (12, 2348357), (22, 1280922), (33, 853948), (41, 687324), (44, 640461), (66, 426974), (82, 343662), (123, 229108), (127, 221892), (132, 213487), (164, 171831), (246, 114554), (254, 110946), (381, 73964), (451, 62484), (492, 57277), (508, 55473), (762, 36982), (902, 31242), (1353, 20828), (1397, 20172), (1524, 18491), (1681, 16764), (1804, 15621), (2706, 10414), (2794, 10086), (3362, 8382), (4191, 6724), (5043, 5588), (5207, 5412)]