201955855

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 59317745

約数列:

[1, 5, 29, 31, 145, 155, 179, 251, 895, 899, 1255, 4495, 5191, 5549, 7279, 7781, 25955, 27745, 36395, 38905, 44929, 160921, 224645, 225649, 804605, 1128245, 1302941, 1392799, 6514705, 6963995, 40391171, 201955855]

約数ペア:

[(1, 201955855), (5, 40391171), (29, 6963995), (31, 6514705), (145, 1392799), (155, 1302941), (179, 1128245), (251, 804605), (895, 225649), (899, 224645), (1255, 160921), (4495, 44929), (5191, 38905), (5549, 36395), (7279, 27745), (7781, 25955)]