278242089215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{6967}}^1$

素因数の和:7284

約数の個数: 64

約数和(自身を含む): 369890426880

約数和(自身を除く): 91648337665

約数列:

[1, 5, 19, 31, 71, 95, 155, 191, 355, 589, 955, 1349, 2201, 2945, 3629, 5921, 6745, 6967, 11005, 13561, 18145, 29605, 34835, 41819, 67805, 112499, 132373, 209095, 215977, 257659, 420391, 494657, 562495, 661865, 1079885, 1288295, 1330697, 2101955, 2473285, 4103563, 6653485, 7987429, 9398483, 15334367, 20517815, 25283243, 39937145, 41251607, 46992415, 76671835, 94479487, 126416215, 206258035, 291352973, 472397435, 783780533, 1456764865, 1795110253, 2928864097, 3918902665, 8975551265, 14644320485, 55648417843, 278242089215]

約数ペア:

[(1, 278242089215), (5, 55648417843), (19, 14644320485), (31, 8975551265), (71, 3918902665), (95, 2928864097), (155, 1795110253), (191, 1456764865), (355, 783780533), (589, 472397435), (955, 291352973), (1349, 206258035), (2201, 126416215), (2945, 94479487), (3629, 76671835), (5921, 46992415), (6745, 41251607), (6967, 39937145), (11005, 25283243), (13561, 20517815), (18145, 15334367), (29605, 9398483), (34835, 7987429), (41819, 6653485), (67805, 4103563), (112499, 2473285), (132373, 2101955), (209095, 1330697), (215977, 1288295), (257659, 1079885), (420391, 661865), (494657, 562495)]