281439396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 839587840

約数和(自身を除く): 558148444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 67, 79, 84, 126, 134, 158, 201, 211, 237, 252, 268, 316, 402, 422, 469, 474, 553, 603, 633, 711, 804, 844, 938, 948, 1106, 1206, 1266, 1407, 1422, 1477, 1659, 1876, 1899, 2212, 2412, 2532, 2814, 2844, 2954, 3318, 3798, 4221, 4431, 4977, 5293, 5628, 5908, 6636, 7596, 8442, 8862, 9954, 10586, 13293, 14137, 15879, 16669, 16884, 17724, 19908, 21172, 26586, 28274, 31758, 33338, 37051, 42411, 47637, 50007, 53172, 56548, 63516, 66676, 74102, 84822, 95274, 98959, 100014, 111153, 116683, 127233, 148204, 150021, 169644, 190548, 197918, 200028, 222306, 233366, 254466, 296877, 300042, 333459, 350049, 395836, 444612, 466732, 508932, 593754, 600084, 666918, 700098, 890631, 1050147, 1116823, 1187508, 1333836, 1400196, 1781262, 2100294, 2233646, 3350469, 3562524, 4200588, 4467292, 6700938, 7817761, 10051407, 13401876, 15635522, 20102814, 23453283, 31271044, 40205628, 46906566, 70359849, 93813132, 140719698, 281439396]

約数ペア:

[(1, 281439396), (2, 140719698), (3, 93813132), (4, 70359849), (6, 46906566), (7, 40205628), (9, 31271044), (12, 23453283), (14, 20102814), (18, 15635522), (21, 13401876), (28, 10051407), (36, 7817761), (42, 6700938), (63, 4467292), (67, 4200588), (79, 3562524), (84, 3350469), (126, 2233646), (134, 2100294), (158, 1781262), (201, 1400196), (211, 1333836), (237, 1187508), (252, 1116823), (268, 1050147), (316, 890631), (402, 700098), (422, 666918), (469, 600084), (474, 593754), (553, 508932), (603, 466732), (633, 444612), (711, 395836), (804, 350049), (844, 333459), (938, 300042), (948, 296877), (1106, 254466), (1206, 233366), (1266, 222306), (1407, 200028), (1422, 197918), (1477, 190548), (1659, 169644), (1876, 150021), (1899, 148204), (2212, 127233), (2412, 116683), (2532, 111153), (2814, 100014), (2844, 98959), (2954, 95274), (3318, 84822), (3798, 74102), (4221, 66676), (4431, 63516), (4977, 56548), (5293, 53172), (5628, 50007), (5908, 47637), (6636, 42411), (7596, 37051), (8442, 33338), (8862, 31758), (9954, 28274), (10586, 26586), (13293, 21172), (14137, 19908), (15879, 17724), (16669, 16884)]