648212988

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{20929}}^1$

素因数の和:21054

約数の個数: 48

約数和(自身を含む): 1582308000

約数和(自身を除く): 934095012

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 89, 116, 174, 178, 267, 348, 356, 534, 1068, 2581, 5162, 7743, 10324, 15486, 20929, 30972, 41858, 62787, 83716, 125574, 251148, 606941, 1213882, 1820823, 1862681, 2427764, 3641646, 3725362, 5588043, 7283292, 7450724, 11176086, 22352172, 54017749, 108035498, 162053247, 216070996, 324106494, 648212988]

約数ペア:

[(1, 648212988), (2, 324106494), (3, 216070996), (4, 162053247), (6, 108035498), (12, 54017749), (29, 22352172), (58, 11176086), (87, 7450724), (89, 7283292), (116, 5588043), (174, 3725362), (178, 3641646), (267, 2427764), (348, 1862681), (356, 1820823), (534, 1213882), (1068, 606941), (2581, 251148), (5162, 125574), (7743, 83716), (10324, 62787), (15486, 41858), (20929, 30972)]