2019944615

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 2704980096

約数和(自身を除く): 685035481

約数列:

[1, 5, 13, 47, 65, 169, 181, 235, 281, 611, 845, 905, 1405, 2353, 3055, 3653, 7943, 8507, 11765, 13207, 18265, 30589, 39715, 42535, 47489, 50861, 66035, 110591, 152945, 171691, 237445, 254305, 552955, 661193, 858455, 1437683, 2231983, 2390467, 3305965, 7188415, 8595509, 11159915, 11952335, 31076071, 42977545, 155380355, 403988923, 2019944615]

約数ペア:

[(1, 2019944615), (5, 403988923), (13, 155380355), (47, 42977545), (65, 31076071), (169, 11952335), (181, 11159915), (235, 8595509), (281, 7188415), (611, 3305965), (845, 2390467), (905, 2231983), (1405, 1437683), (2353, 858455), (3055, 661193), (3653, 552955), (7943, 254305), (8507, 237445), (11765, 171691), (13207, 152945), (18265, 110591), (30589, 66035), (39715, 50861), (42535, 47489)]