64208175

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 112091040

約数和(自身を除く): 47882865

約数列:

[1, 3, 5, 15, 25, 29, 53, 75, 87, 145, 159, 265, 435, 557, 725, 795, 1325, 1537, 1671, 2175, 2785, 3975, 4611, 7685, 8355, 13925, 16153, 23055, 29521, 38425, 41775, 48459, 80765, 88563, 115275, 147605, 242295, 403825, 442815, 738025, 856109, 1211475, 2214075, 2568327, 4280545, 12841635, 21402725, 64208175]

約数ペア:

[(1, 64208175), (3, 21402725), (5, 12841635), (15, 4280545), (25, 2568327), (29, 2214075), (53, 1211475), (75, 856109), (87, 738025), (145, 442815), (159, 403825), (265, 242295), (435, 147605), (557, 115275), (725, 88563), (795, 80765), (1325, 48459), (1537, 41775), (1671, 38425), (2175, 29521), (2785, 23055), (3975, 16153), (4611, 13925), (7685, 8355)]