31900356

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 85700160

約数和(自身を除く): 53799804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 59, 69, 92, 118, 138, 177, 207, 236, 276, 354, 414, 531, 653, 708, 828, 1062, 1306, 1357, 1959, 2124, 2612, 2714, 3918, 4071, 5428, 5877, 7836, 8142, 11754, 12213, 15019, 16284, 23508, 24426, 30038, 38527, 45057, 48852, 60076, 77054, 90114, 115581, 135171, 154108, 180228, 231162, 270342, 346743, 462324, 540684, 693486, 886121, 1386972, 1772242, 2658363, 3544484, 5316726, 7975089, 10633452, 15950178, 31900356]

約数ペア:

[(1, 31900356), (2, 15950178), (3, 10633452), (4, 7975089), (6, 5316726), (9, 3544484), (12, 2658363), (18, 1772242), (23, 1386972), (36, 886121), (46, 693486), (59, 540684), (69, 462324), (92, 346743), (118, 270342), (138, 231162), (177, 180228), (207, 154108), (236, 135171), (276, 115581), (354, 90114), (414, 77054), (531, 60076), (653, 48852), (708, 45057), (828, 38527), (1062, 30038), (1306, 24426), (1357, 23508), (1959, 16284), (2124, 15019), (2612, 12213), (2714, 11754), (3918, 8142), (4071, 7836), (5428, 5877)]