81533452

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2951

約数の個数: 72

約数和(自身を含む): 195063120

約数和(自身を除く): 113529668

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 2909, 4004, 5818, 7007, 11636, 14014, 20363, 28028, 31999, 37817, 40726, 63998, 75634, 81452, 127996, 142541, 151268, 223993, 264719, 285082, 415987, 447986, 529438, 570164, 831974, 895972, 1058876, 1567951, 1663948, 1853033, 2911909, 3135902, 3706066, 5823818, 6271804, 7412132, 11647636, 20383363, 40766726, 81533452]

約数ペア:

[(1, 81533452), (2, 40766726), (4, 20383363), (7, 11647636), (11, 7412132), (13, 6271804), (14, 5823818), (22, 3706066), (26, 3135902), (28, 2911909), (44, 1853033), (49, 1663948), (52, 1567951), (77, 1058876), (91, 895972), (98, 831974), (143, 570164), (154, 529438), (182, 447986), (196, 415987), (286, 285082), (308, 264719), (364, 223993), (539, 151268), (572, 142541), (637, 127996), (1001, 81452), (1078, 75634), (1274, 63998), (2002, 40726), (2156, 37817), (2548, 31999), (2909, 28028), (4004, 20363), (5818, 14014), (7007, 11636)]