217291788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1459}}^1$

素因数の和:1676

約数の個数: 96

約数和(自身を含む): 647539200

約数和(自身を除く): 430247412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 197, 252, 378, 394, 591, 756, 788, 1182, 1379, 1459, 1773, 2364, 2758, 2918, 3546, 4137, 4377, 5319, 5516, 5836, 7092, 8274, 8754, 10213, 10638, 12411, 13131, 16548, 17508, 20426, 21276, 24822, 26262, 30639, 37233, 39393, 40852, 49644, 52524, 61278, 74466, 78786, 91917, 122556, 148932, 157572, 183834, 275751, 287423, 367668, 551502, 574846, 862269, 1103004, 1149692, 1724538, 2011961, 2586807, 3449076, 4023922, 5173614, 6035883, 7760421, 8047844, 10347228, 12071766, 15520842, 18107649, 24143532, 31041684, 36215298, 54322947, 72430596, 108645894, 217291788]

約数ペア:

[(1, 217291788), (2, 108645894), (3, 72430596), (4, 54322947), (6, 36215298), (7, 31041684), (9, 24143532), (12, 18107649), (14, 15520842), (18, 12071766), (21, 10347228), (27, 8047844), (28, 7760421), (36, 6035883), (42, 5173614), (54, 4023922), (63, 3449076), (84, 2586807), (108, 2011961), (126, 1724538), (189, 1149692), (197, 1103004), (252, 862269), (378, 574846), (394, 551502), (591, 367668), (756, 287423), (788, 275751), (1182, 183834), (1379, 157572), (1459, 148932), (1773, 122556), (2364, 91917), (2758, 78786), (2918, 74466), (3546, 61278), (4137, 52524), (4377, 49644), (5319, 40852), (5516, 39393), (5836, 37233), (7092, 30639), (8274, 26262), (8754, 24822), (10213, 21276), (10638, 20426), (12411, 17508), (13131, 16548)]