201537788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 395085600

約数和(自身を除く): 193547812

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 389, 401, 646, 778, 802, 1292, 1556, 1604, 6613, 6817, 7391, 7619, 13226, 13634, 14782, 15238, 26452, 27268, 29564, 30476, 125647, 129523, 155989, 251294, 259046, 311978, 502588, 518092, 623956, 2651813, 2963791, 5303626, 5927582, 10607252, 11855164, 50384447, 100768894, 201537788]

約数ペア:

[(1, 201537788), (2, 100768894), (4, 50384447), (17, 11855164), (19, 10607252), (34, 5927582), (38, 5303626), (68, 2963791), (76, 2651813), (323, 623956), (389, 518092), (401, 502588), (646, 311978), (778, 259046), (802, 251294), (1292, 155989), (1556, 129523), (1604, 125647), (6613, 30476), (6817, 29564), (7391, 27268), (7619, 26452), (13226, 15238), (13634, 14782)]