291275225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 398069760

約数和(自身を除く): 106794535

約数列:

[1, 5, 19, 25, 31, 95, 131, 151, 155, 475, 589, 655, 755, 775, 2489, 2869, 2945, 3275, 3775, 4061, 4681, 12445, 14345, 14725, 19781, 20305, 23405, 62225, 71725, 77159, 88939, 98905, 101525, 117025, 375839, 385795, 444695, 494525, 613211, 1879195, 1928975, 2223475, 3066055, 9395975, 11651009, 15330275, 58255045, 291275225]

約数ペア:

[(1, 291275225), (5, 58255045), (19, 15330275), (25, 11651009), (31, 9395975), (95, 3066055), (131, 2223475), (151, 1928975), (155, 1879195), (475, 613211), (589, 494525), (655, 444695), (755, 385795), (775, 375839), (2489, 117025), (2869, 101525), (2945, 98905), (3275, 88939), (3775, 77159), (4061, 71725), (4681, 62225), (12445, 23405), (14345, 20305), (14725, 19781)]