158203955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 250967808

約数和(自身を除く): 92763853

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 113, 119, 181, 221, 455, 565, 595, 791, 905, 1105, 1267, 1469, 1547, 1921, 2353, 3077, 3955, 6335, 7345, 7735, 9605, 10283, 11765, 13447, 15385, 16471, 20453, 21539, 24973, 40001, 51415, 67235, 82355, 102265, 107695, 124865, 143171, 174811, 200005, 265889, 280007, 347701, 715855, 874055, 1329445, 1400035, 1738505, 1861223, 2433907, 4520113, 9306115, 12169535, 22600565, 31640791, 158203955]

約数ペア:

[(1, 158203955), (5, 31640791), (7, 22600565), (13, 12169535), (17, 9306115), (35, 4520113), (65, 2433907), (85, 1861223), (91, 1738505), (113, 1400035), (119, 1329445), (181, 874055), (221, 715855), (455, 347701), (565, 280007), (595, 265889), (791, 200005), (905, 174811), (1105, 143171), (1267, 124865), (1469, 107695), (1547, 102265), (1921, 82355), (2353, 67235), (3077, 51415), (3955, 40001), (6335, 24973), (7345, 21539), (7735, 20453), (9605, 16471), (10283, 15385), (11765, 13447)]