7980076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 16299360

約数和(自身を除く): 8319284

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 164, 197, 247, 394, 494, 533, 779, 788, 988, 1066, 1558, 2132, 2561, 3116, 3743, 5122, 7486, 8077, 10127, 10244, 14972, 16154, 20254, 32308, 40508, 48659, 97318, 105001, 153463, 194636, 210002, 306926, 420004, 613852, 1995019, 3990038, 7980076]

約数ペア:

[(1, 7980076), (2, 3990038), (4, 1995019), (13, 613852), (19, 420004), (26, 306926), (38, 210002), (41, 194636), (52, 153463), (76, 105001), (82, 97318), (164, 48659), (197, 40508), (247, 32308), (394, 20254), (494, 16154), (533, 14972), (779, 10244), (788, 10127), (988, 8077), (1066, 7486), (1558, 5122), (2132, 3743), (2561, 3116)]