28867428

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1783

約数の個数: 72

約数和(自身を含む): 80170272

約数和(自身を除く): 51302844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1377, 1747, 1836, 2754, 3494, 4131, 5241, 5508, 6988, 8262, 10482, 15723, 16524, 20964, 29699, 31446, 47169, 59398, 62892, 89097, 94338, 118796, 141507, 178194, 188676, 267291, 283014, 356388, 424521, 534582, 566028, 801873, 849042, 1069164, 1603746, 1698084, 2405619, 3207492, 4811238, 7216857, 9622476, 14433714, 28867428]

約数ペア:

[(1, 28867428), (2, 14433714), (3, 9622476), (4, 7216857), (6, 4811238), (9, 3207492), (12, 2405619), (17, 1698084), (18, 1603746), (27, 1069164), (34, 849042), (36, 801873), (51, 566028), (54, 534582), (68, 424521), (81, 356388), (102, 283014), (108, 267291), (153, 188676), (162, 178194), (204, 141507), (243, 118796), (306, 94338), (324, 89097), (459, 62892), (486, 59398), (612, 47169), (918, 31446), (972, 29699), (1377, 20964), (1747, 16524), (1836, 15723), (2754, 10482), (3494, 8262), (4131, 6988), (5241, 5508)]