81590796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1627}}^1$

素因数の和:1843

約数の個数: 72

約数和(自身を含む): 237036800

約数和(自身を除く): 155446004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 597, 796, 1194, 1393, 1627, 1791, 2388, 2786, 3254, 3582, 4179, 4881, 5572, 6508, 7164, 8358, 9762, 11389, 12537, 14643, 16716, 19524, 22778, 25074, 29286, 34167, 45556, 50148, 58572, 68334, 102501, 136668, 205002, 323773, 410004, 647546, 971319, 1295092, 1942638, 2266411, 2913957, 3885276, 4532822, 5827914, 6799233, 9065644, 11655828, 13598466, 20397699, 27196932, 40795398, 81590796]

約数ペア:

[(1, 81590796), (2, 40795398), (3, 27196932), (4, 20397699), (6, 13598466), (7, 11655828), (9, 9065644), (12, 6799233), (14, 5827914), (18, 4532822), (21, 3885276), (28, 2913957), (36, 2266411), (42, 1942638), (63, 1295092), (84, 971319), (126, 647546), (199, 410004), (252, 323773), (398, 205002), (597, 136668), (796, 102501), (1194, 68334), (1393, 58572), (1627, 50148), (1791, 45556), (2388, 34167), (2786, 29286), (3254, 25074), (3582, 22778), (4179, 19524), (4881, 16716), (5572, 14643), (6508, 12537), (7164, 11389), (8358, 9762)]