899388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 2690688

約数和(自身を除く): 1791300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 83, 84, 86, 126, 129, 166, 172, 249, 252, 258, 301, 332, 387, 498, 516, 581, 602, 747, 774, 903, 996, 1162, 1204, 1494, 1548, 1743, 1806, 2324, 2709, 2988, 3486, 3569, 3612, 5229, 5418, 6972, 7138, 10458, 10707, 10836, 14276, 20916, 21414, 24983, 32121, 42828, 49966, 64242, 74949, 99932, 128484, 149898, 224847, 299796, 449694, 899388]

約数ペア:

[(1, 899388), (2, 449694), (3, 299796), (4, 224847), (6, 149898), (7, 128484), (9, 99932), (12, 74949), (14, 64242), (18, 49966), (21, 42828), (28, 32121), (36, 24983), (42, 21414), (43, 20916), (63, 14276), (83, 10836), (84, 10707), (86, 10458), (126, 7138), (129, 6972), (166, 5418), (172, 5229), (249, 3612), (252, 3569), (258, 3486), (301, 2988), (332, 2709), (387, 2324), (498, 1806), (516, 1743), (581, 1548), (602, 1494), (747, 1204), (774, 1162), (903, 996)]