2491356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 7150080

約数和(自身を除く): 4658724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 223, 228, 266, 294, 399, 446, 532, 588, 669, 798, 892, 931, 1338, 1561, 1596, 1862, 2676, 2793, 3122, 3724, 4237, 4683, 5586, 6244, 8474, 9366, 10927, 11172, 12711, 16948, 18732, 21854, 25422, 29659, 32781, 43708, 50844, 59318, 65562, 88977, 118636, 131124, 177954, 207613, 355908, 415226, 622839, 830452, 1245678, 2491356]

約数ペア:

[(1, 2491356), (2, 1245678), (3, 830452), (4, 622839), (6, 415226), (7, 355908), (12, 207613), (14, 177954), (19, 131124), (21, 118636), (28, 88977), (38, 65562), (42, 59318), (49, 50844), (57, 43708), (76, 32781), (84, 29659), (98, 25422), (114, 21854), (133, 18732), (147, 16948), (196, 12711), (223, 11172), (228, 10927), (266, 9366), (294, 8474), (399, 6244), (446, 5586), (532, 4683), (588, 4237), (669, 3724), (798, 3122), (892, 2793), (931, 2676), (1338, 1862), (1561, 1596)]