28311216

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:906

約数の個数: 80

約数和(自身を含む): 79161600

約数和(自身を除く): 50850384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 304, 444, 456, 592, 703, 839, 888, 912, 1406, 1678, 1776, 2109, 2517, 2812, 3356, 4218, 5034, 5624, 6712, 8436, 10068, 11248, 13424, 15941, 16872, 20136, 31043, 31882, 33744, 40272, 47823, 62086, 63764, 93129, 95646, 124172, 127528, 186258, 191292, 248344, 255056, 372516, 382584, 496688, 589817, 745032, 765168, 1179634, 1490064, 1769451, 2359268, 3538902, 4718536, 7077804, 9437072, 14155608, 28311216]

約数ペア:

[(1, 28311216), (2, 14155608), (3, 9437072), (4, 7077804), (6, 4718536), (8, 3538902), (12, 2359268), (16, 1769451), (19, 1490064), (24, 1179634), (37, 765168), (38, 745032), (48, 589817), (57, 496688), (74, 382584), (76, 372516), (111, 255056), (114, 248344), (148, 191292), (152, 186258), (222, 127528), (228, 124172), (296, 95646), (304, 93129), (444, 63764), (456, 62086), (592, 47823), (703, 40272), (839, 33744), (888, 31882), (912, 31043), (1406, 20136), (1678, 16872), (1776, 15941), (2109, 13424), (2517, 11248), (2812, 10068), (3356, 8436), (4218, 6712), (5034, 5624)]