25408021245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{10391}}^1$

素因数の和:10682

約数の個数: 64

約数和(自身を含む): 44246974464

約数和(自身を除く): 18838953219

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 223, 255, 645, 669, 731, 1115, 2193, 3345, 3655, 3791, 9589, 10391, 10965, 11373, 18955, 28767, 31173, 47945, 51955, 56865, 143835, 155865, 163013, 176647, 446813, 489039, 529941, 815065, 883235, 1340439, 2234065, 2317193, 2445195, 2649705, 6702195, 6951579, 7595821, 11585965, 22787463, 34757895, 37979105, 39392281, 99639299, 113937315, 118176843, 196961405, 298917897, 498196495, 590884215, 1494589485, 1693868083, 5081604249, 8469340415, 25408021245]

約数ペア:

[(1, 25408021245), (3, 8469340415), (5, 5081604249), (15, 1693868083), (17, 1494589485), (43, 590884215), (51, 498196495), (85, 298917897), (129, 196961405), (215, 118176843), (223, 113937315), (255, 99639299), (645, 39392281), (669, 37979105), (731, 34757895), (1115, 22787463), (2193, 11585965), (3345, 7595821), (3655, 6951579), (3791, 6702195), (9589, 2649705), (10391, 2445195), (10965, 2317193), (11373, 2234065), (18955, 1340439), (28767, 883235), (31173, 815065), (47945, 529941), (51955, 489039), (56865, 446813), (143835, 176647), (155865, 163013)]