1285149892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 2576023296

約数和(自身を除く): 1290873404

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 223, 247, 307, 361, 446, 494, 614, 722, 892, 988, 1228, 1444, 2899, 3991, 4237, 4693, 5798, 5833, 7982, 8474, 9386, 11596, 11666, 15964, 16948, 18772, 23332, 55081, 68461, 75829, 80503, 110162, 110827, 136922, 151658, 161006, 220324, 221654, 273844, 303316, 322012, 443308, 889993, 1046539, 1300759, 1440751, 1779986, 2093078, 2601518, 2881502, 3559972, 4186156, 5203036, 5763004, 16909867, 24714421, 33819734, 49428842, 67639468, 98857684, 321287473, 642574946, 1285149892]

約数ペア:

[(1, 1285149892), (2, 642574946), (4, 321287473), (13, 98857684), (19, 67639468), (26, 49428842), (38, 33819734), (52, 24714421), (76, 16909867), (223, 5763004), (247, 5203036), (307, 4186156), (361, 3559972), (446, 2881502), (494, 2601518), (614, 2093078), (722, 1779986), (892, 1440751), (988, 1300759), (1228, 1046539), (1444, 889993), (2899, 443308), (3991, 322012), (4237, 303316), (4693, 273844), (5798, 221654), (5833, 220324), (7982, 161006), (8474, 151658), (9386, 136922), (11596, 110827), (11666, 110162), (15964, 80503), (16948, 75829), (18772, 68461), (23332, 55081)]