1391105786

素因数分解:

$2^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 80

約数和(自身を含む): 2608291200

約数和(自身を除く): 1217185414

約数列:

[1, 2, 7, 14, 19, 38, 49, 79, 98, 133, 158, 193, 266, 343, 386, 553, 686, 931, 1106, 1351, 1501, 1862, 2401, 2702, 3002, 3667, 3871, 4802, 6517, 7334, 7742, 9457, 10507, 13034, 15247, 18914, 21014, 25669, 27097, 30494, 45619, 51338, 54194, 66199, 73549, 91238, 106729, 132398, 147098, 179683, 189679, 213458, 289693, 359366, 379358, 463393, 514843, 579386, 747103, 926786, 1029686, 1257781, 1494206, 2027851, 2515562, 3603901, 4055702, 5229721, 7207802, 8804467, 10459442, 14194957, 17608934, 28389914, 36608047, 73216094, 99364699, 198729398, 695552893, 1391105786]

約数ペア:

[(1, 1391105786), (2, 695552893), (7, 198729398), (14, 99364699), (19, 73216094), (38, 36608047), (49, 28389914), (79, 17608934), (98, 14194957), (133, 10459442), (158, 8804467), (193, 7207802), (266, 5229721), (343, 4055702), (386, 3603901), (553, 2515562), (686, 2027851), (931, 1494206), (1106, 1257781), (1351, 1029686), (1501, 926786), (1862, 747103), (2401, 579386), (2702, 514843), (3002, 463393), (3667, 379358), (3871, 359366), (4802, 289693), (6517, 213458), (7334, 189679), (7742, 179683), (9457, 147098), (10507, 132398), (13034, 106729), (15247, 91238), (18914, 73549), (21014, 66199), (25669, 54194), (27097, 51338), (30494, 45619)]