28420272

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{8581}}^1$

素因数の和:8618

約数の個数: 60

約数和(自身を含む): 83005104

約数和(自身を除く): 54584832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 8581, 17162, 25743, 34324, 51486, 68648, 77229, 102972, 137296, 154458, 197363, 205944, 308916, 394726, 411888, 592089, 617832, 789452, 1184178, 1235664, 1578904, 1776267, 2368356, 3157808, 3552534, 4736712, 7105068, 9473424, 14210136, 28420272]

約数ペア:

[(1, 28420272), (2, 14210136), (3, 9473424), (4, 7105068), (6, 4736712), (8, 3552534), (9, 3157808), (12, 2368356), (16, 1776267), (18, 1578904), (23, 1235664), (24, 1184178), (36, 789452), (46, 617832), (48, 592089), (69, 411888), (72, 394726), (92, 308916), (138, 205944), (144, 197363), (184, 154458), (207, 137296), (276, 102972), (368, 77229), (414, 68648), (552, 51486), (828, 34324), (1104, 25743), (1656, 17162), (3312, 8581)]