821497196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 1568784000

約数和(自身を除く): 747286804

約数列:

[1, 2, 4, 13, 26, 52, 149, 229, 298, 458, 463, 596, 916, 926, 1852, 1937, 2977, 3874, 5954, 6019, 7748, 11908, 12038, 24076, 34121, 68242, 68987, 106027, 136484, 137974, 212054, 275948, 424108, 443573, 887146, 896831, 1378351, 1774292, 1793662, 2756702, 3587324, 5513404, 15798023, 31596046, 63192092, 205374299, 410748598, 821497196]

約数ペア:

[(1, 821497196), (2, 410748598), (4, 205374299), (13, 63192092), (26, 31596046), (52, 15798023), (149, 5513404), (229, 3587324), (298, 2756702), (458, 1793662), (463, 1774292), (596, 1378351), (916, 896831), (926, 887146), (1852, 443573), (1937, 424108), (2977, 275948), (3874, 212054), (5954, 137974), (6019, 136484), (7748, 106027), (11908, 68987), (12038, 68242), (24076, 34121)]