155016785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 241864704

約数和(自身を除く): 86847919

約数列:

[1, 5, 7, 11, 35, 53, 55, 71, 77, 107, 265, 355, 371, 385, 497, 535, 583, 749, 781, 1177, 1855, 2485, 2915, 3745, 3763, 3905, 4081, 5467, 5671, 5885, 7597, 8239, 18815, 20405, 26341, 27335, 28355, 37985, 39697, 41195, 41393, 53179, 62381, 83567, 131705, 198485, 206965, 265895, 289751, 311905, 402641, 417835, 436667, 584969, 1448755, 2013205, 2183335, 2818487, 2924845, 4429051, 14092435, 22145255, 31003357, 155016785]

約数ペア:

[(1, 155016785), (5, 31003357), (7, 22145255), (11, 14092435), (35, 4429051), (53, 2924845), (55, 2818487), (71, 2183335), (77, 2013205), (107, 1448755), (265, 584969), (355, 436667), (371, 417835), (385, 402641), (497, 311905), (535, 289751), (583, 265895), (749, 206965), (781, 198485), (1177, 131705), (1855, 83567), (2485, 62381), (2915, 53179), (3745, 41393), (3763, 41195), (3905, 39697), (4081, 37985), (5467, 28355), (5671, 27335), (5885, 26341), (7597, 20405), (8239, 18815)]