221993044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 501935616

約数和(自身を除く): 279942572

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 53, 74, 91, 106, 148, 182, 212, 259, 311, 364, 371, 481, 518, 622, 689, 742, 962, 1036, 1244, 1378, 1484, 1924, 1961, 2177, 2756, 3367, 3922, 4043, 4354, 4823, 6734, 7844, 8086, 8708, 9646, 11507, 13468, 13727, 16172, 16483, 19292, 23014, 25493, 27454, 28301, 32966, 46028, 50986, 54908, 56602, 65932, 80549, 101972, 113204, 115381, 149591, 161098, 178451, 214279, 230762, 299182, 322196, 356902, 428558, 461524, 598364, 609871, 713804, 857116, 1047137, 1219742, 1499953, 2094274, 2439484, 2999906, 4188548, 4269097, 5999812, 7928323, 8538194, 15856646, 17076388, 31713292, 55498261, 110996522, 221993044]

約数ペア:

[(1, 221993044), (2, 110996522), (4, 55498261), (7, 31713292), (13, 17076388), (14, 15856646), (26, 8538194), (28, 7928323), (37, 5999812), (52, 4269097), (53, 4188548), (74, 2999906), (91, 2439484), (106, 2094274), (148, 1499953), (182, 1219742), (212, 1047137), (259, 857116), (311, 713804), (364, 609871), (371, 598364), (481, 461524), (518, 428558), (622, 356902), (689, 322196), (742, 299182), (962, 230762), (1036, 214279), (1244, 178451), (1378, 161098), (1484, 149591), (1924, 115381), (1961, 113204), (2177, 101972), (2756, 80549), (3367, 65932), (3922, 56602), (4043, 54908), (4354, 50986), (4823, 46028), (6734, 32966), (7844, 28301), (8086, 27454), (8708, 25493), (9646, 23014), (11507, 19292), (13468, 16483), (13727, 16172)]