388670308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1733}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 774889920

約数和(自身を除く): 386219612

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 227, 247, 454, 494, 908, 988, 1733, 2951, 3466, 4313, 5902, 6932, 8626, 11804, 17252, 22529, 32927, 45058, 56069, 65854, 90116, 112138, 131708, 224276, 393391, 428051, 786782, 856102, 1573564, 1712204, 5114083, 7474429, 10228166, 14948858, 20456332, 29897716, 97167577, 194335154, 388670308]

約数ペア:

[(1, 388670308), (2, 194335154), (4, 97167577), (13, 29897716), (19, 20456332), (26, 14948858), (38, 10228166), (52, 7474429), (76, 5114083), (227, 1712204), (247, 1573564), (454, 856102), (494, 786782), (908, 428051), (988, 393391), (1733, 224276), (2951, 131708), (3466, 112138), (4313, 90116), (5902, 65854), (6932, 56069), (8626, 45058), (11804, 32927), (17252, 22529)]