78636747

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 135419904

約数和(自身を除く): 56783157

約数列:

[1, 3, 7, 17, 21, 23, 51, 61, 69, 119, 157, 161, 183, 357, 391, 427, 471, 483, 1037, 1099, 1173, 1281, 1403, 2669, 2737, 3111, 3297, 3611, 4209, 7259, 8007, 8211, 9577, 9821, 10833, 18683, 21777, 23851, 25277, 28731, 29463, 56049, 61387, 67039, 71553, 75831, 162809, 166957, 184161, 201117, 220271, 429709, 488427, 500871, 660813, 1139663, 1289127, 1541897, 3418989, 3744607, 4625691, 11233821, 26212249, 78636747]

約数ペア:

[(1, 78636747), (3, 26212249), (7, 11233821), (17, 4625691), (21, 3744607), (23, 3418989), (51, 1541897), (61, 1289127), (69, 1139663), (119, 660813), (157, 500871), (161, 488427), (183, 429709), (357, 220271), (391, 201117), (427, 184161), (471, 166957), (483, 162809), (1037, 75831), (1099, 71553), (1173, 67039), (1281, 61387), (1403, 56049), (2669, 29463), (2737, 28731), (3111, 25277), (3297, 23851), (3611, 21777), (4209, 18683), (7259, 10833), (8007, 9821), (8211, 9577)]