161996436

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 502669440

約数和(自身を除く): 340673004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 81, 84, 87, 108, 116, 126, 162, 174, 189, 203, 243, 252, 261, 324, 348, 378, 406, 486, 522, 567, 609, 756, 783, 812, 821, 972, 1044, 1134, 1218, 1566, 1642, 1701, 1827, 2268, 2349, 2436, 2463, 3132, 3284, 3402, 3654, 4698, 4926, 5481, 5747, 6804, 7047, 7308, 7389, 9396, 9852, 10962, 11494, 14094, 14778, 16443, 17241, 21924, 22167, 22988, 23809, 28188, 29556, 32886, 34482, 44334, 47618, 49329, 51723, 65772, 66501, 68964, 71427, 88668, 95236, 98658, 103446, 133002, 142854, 155169, 166663, 197316, 199503, 206892, 214281, 266004, 285708, 310338, 333326, 399006, 428562, 465507, 499989, 620676, 642843, 666652, 798012, 857124, 931014, 999978, 1285686, 1396521, 1499967, 1862028, 1928529, 1999956, 2571372, 2793042, 2999934, 3857058, 4499901, 5586084, 5785587, 5999868, 7714116, 8999802, 11571174, 13499703, 17999604, 23142348, 26999406, 40499109, 53998812, 80998218, 161996436]

約数ペア:

[(1, 161996436), (2, 80998218), (3, 53998812), (4, 40499109), (6, 26999406), (7, 23142348), (9, 17999604), (12, 13499703), (14, 11571174), (18, 8999802), (21, 7714116), (27, 5999868), (28, 5785587), (29, 5586084), (36, 4499901), (42, 3857058), (54, 2999934), (58, 2793042), (63, 2571372), (81, 1999956), (84, 1928529), (87, 1862028), (108, 1499967), (116, 1396521), (126, 1285686), (162, 999978), (174, 931014), (189, 857124), (203, 798012), (243, 666652), (252, 642843), (261, 620676), (324, 499989), (348, 465507), (378, 428562), (406, 399006), (486, 333326), (522, 310338), (567, 285708), (609, 266004), (756, 214281), (783, 206892), (812, 199503), (821, 197316), (972, 166663), (1044, 155169), (1134, 142854), (1218, 133002), (1566, 103446), (1642, 98658), (1701, 95236), (1827, 88668), (2268, 71427), (2349, 68964), (2436, 66501), (2463, 65772), (3132, 51723), (3284, 49329), (3402, 47618), (3654, 44334), (4698, 34482), (4926, 32886), (5481, 29556), (5747, 28188), (6804, 23809), (7047, 22988), (7308, 22167), (7389, 21924), (9396, 17241), (9852, 16443), (10962, 14778), (11494, 14094)]