251643028

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 108

約数和(自身を含む): 567780192

約数和(自身を除く): 316137164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 71, 91, 98, 107, 142, 169, 182, 196, 214, 284, 338, 364, 428, 497, 637, 676, 749, 923, 994, 1183, 1274, 1391, 1498, 1846, 1988, 2366, 2548, 2782, 2996, 3479, 3692, 4732, 5243, 5564, 6461, 6958, 7597, 8281, 9737, 10486, 11999, 12922, 13916, 15194, 16562, 18083, 19474, 20972, 23998, 25844, 30388, 33124, 36166, 38948, 45227, 47996, 53179, 68159, 72332, 83993, 90454, 98761, 106358, 126581, 136318, 167986, 180908, 197522, 212716, 253162, 272636, 335972, 372253, 395044, 506324, 587951, 691327, 744506, 886067, 1175902, 1283893, 1382654, 1489012, 1772134, 2351804, 2567786, 2765308, 3544268, 4839289, 5135572, 8987251, 9678578, 17974502, 19357156, 35949004, 62910757, 125821514, 251643028]

約数ペア:

[(1, 251643028), (2, 125821514), (4, 62910757), (7, 35949004), (13, 19357156), (14, 17974502), (26, 9678578), (28, 8987251), (49, 5135572), (52, 4839289), (71, 3544268), (91, 2765308), (98, 2567786), (107, 2351804), (142, 1772134), (169, 1489012), (182, 1382654), (196, 1283893), (214, 1175902), (284, 886067), (338, 744506), (364, 691327), (428, 587951), (497, 506324), (637, 395044), (676, 372253), (749, 335972), (923, 272636), (994, 253162), (1183, 212716), (1274, 197522), (1391, 180908), (1498, 167986), (1846, 136318), (1988, 126581), (2366, 106358), (2548, 98761), (2782, 90454), (2996, 83993), (3479, 72332), (3692, 68159), (4732, 53179), (5243, 47996), (5564, 45227), (6461, 38948), (6958, 36166), (7597, 33124), (8281, 30388), (9737, 25844), (10486, 23998), (11999, 20972), (12922, 19474), (13916, 18083), (15194, 16562)]