201274645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 311351040

約数和(自身を除く): 110076395

約数列:

[1, 5, 11, 13, 17, 29, 55, 65, 85, 143, 145, 187, 221, 319, 377, 493, 571, 715, 935, 1105, 1595, 1885, 2431, 2465, 2855, 4147, 5423, 6281, 6409, 7423, 9707, 12155, 16559, 20735, 27115, 31405, 32045, 37115, 48535, 70499, 81653, 82795, 106777, 126191, 182149, 215267, 281503, 352495, 408265, 533885, 630955, 910745, 1076335, 1388101, 1407515, 2367937, 3096533, 3659539, 6940505, 11839685, 15482665, 18297695, 40254929, 201274645]

約数ペア:

[(1, 201274645), (5, 40254929), (11, 18297695), (13, 15482665), (17, 11839685), (29, 6940505), (55, 3659539), (65, 3096533), (85, 2367937), (143, 1407515), (145, 1388101), (187, 1076335), (221, 910745), (319, 630955), (377, 533885), (493, 408265), (571, 352495), (715, 281503), (935, 215267), (1105, 182149), (1595, 126191), (1885, 106777), (2431, 82795), (2465, 81653), (2855, 70499), (4147, 48535), (5423, 37115), (6281, 32045), (6409, 31405), (7423, 27115), (9707, 20735), (12155, 16559)]