991645356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^2\times {\mathrm{97}}^1$

素因数の和:272

約数の個数: 108

約数和(自身を含む): 2567503176

約数和(自身を除く): 1575857820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 97, 142, 156, 169, 194, 213, 284, 291, 338, 388, 426, 507, 582, 676, 852, 923, 1014, 1164, 1261, 1846, 2028, 2522, 2769, 3692, 3783, 5041, 5044, 5538, 6887, 7566, 10082, 11076, 11999, 13774, 15123, 15132, 16393, 20164, 20661, 23998, 27548, 30246, 32786, 35997, 41322, 47996, 49179, 60492, 65533, 65572, 71994, 82644, 89531, 98358, 131066, 143988, 179062, 196599, 196716, 262132, 268593, 358124, 393198, 488977, 537186, 786396, 851929, 977954, 1074372, 1163903, 1466931, 1703858, 1955908, 2327806, 2555787, 2933862, 3407716, 3491709, 4655612, 5111574, 5867724, 6356701, 6983418, 10223148, 12713402, 13966836, 19070103, 25426804, 38140206, 76280412, 82637113, 165274226, 247911339, 330548452, 495822678, 991645356]

約数ペア:

[(1, 991645356), (2, 495822678), (3, 330548452), (4, 247911339), (6, 165274226), (12, 82637113), (13, 76280412), (26, 38140206), (39, 25426804), (52, 19070103), (71, 13966836), (78, 12713402), (97, 10223148), (142, 6983418), (156, 6356701), (169, 5867724), (194, 5111574), (213, 4655612), (284, 3491709), (291, 3407716), (338, 2933862), (388, 2555787), (426, 2327806), (507, 1955908), (582, 1703858), (676, 1466931), (852, 1163903), (923, 1074372), (1014, 977954), (1164, 851929), (1261, 786396), (1846, 537186), (2028, 488977), (2522, 393198), (2769, 358124), (3692, 268593), (3783, 262132), (5041, 196716), (5044, 196599), (5538, 179062), (6887, 143988), (7566, 131066), (10082, 98358), (11076, 89531), (11999, 82644), (13774, 71994), (15123, 65572), (15132, 65533), (16393, 60492), (20164, 49179), (20661, 47996), (23998, 41322), (27548, 35997), (30246, 32786)]