131609105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 188006400

約数和(自身を除く): 56397295

約数列:

[1, 5, 19, 23, 29, 31, 67, 95, 115, 145, 155, 335, 437, 551, 589, 667, 713, 899, 1273, 1541, 1943, 2077, 2185, 2755, 2945, 3335, 3565, 4495, 6365, 7705, 9715, 10385, 12673, 13547, 17081, 20677, 29279, 36917, 39463, 44689, 47771, 60233, 63365, 67735, 85405, 103385, 146395, 184585, 197315, 223445, 238855, 301165, 392863, 849091, 907649, 1144427, 1385359, 1964315, 4245455, 4538245, 5722135, 6926795, 26321821, 131609105]

約数ペア:

[(1, 131609105), (5, 26321821), (19, 6926795), (23, 5722135), (29, 4538245), (31, 4245455), (67, 1964315), (95, 1385359), (115, 1144427), (145, 907649), (155, 849091), (335, 392863), (437, 301165), (551, 238855), (589, 223445), (667, 197315), (713, 184585), (899, 146395), (1273, 103385), (1541, 85405), (1943, 67735), (2077, 63365), (2185, 60233), (2755, 47771), (2945, 44689), (3335, 39463), (3565, 36917), (4495, 29279), (6365, 20677), (7705, 17081), (9715, 13547), (10385, 12673)]