521802008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2999}}^1$

素因数の和:3264

約数の個数: 64

約数和(自身を含む): 1209600000

約数和(自身を除く): 687797992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 239, 364, 478, 728, 956, 1673, 1912, 2999, 3107, 3346, 5998, 6214, 6692, 11996, 12428, 13384, 20993, 21749, 23992, 24856, 38987, 41986, 43498, 77974, 83972, 86996, 155948, 167944, 173992, 272909, 311896, 545818, 716761, 1091636, 1433522, 2183272, 2867044, 5017327, 5734088, 9317893, 10034654, 18635786, 20069308, 37271572, 40138616, 65225251, 74543144, 130450502, 260901004, 521802008]

約数ペア:

[(1, 521802008), (2, 260901004), (4, 130450502), (7, 74543144), (8, 65225251), (13, 40138616), (14, 37271572), (26, 20069308), (28, 18635786), (52, 10034654), (56, 9317893), (91, 5734088), (104, 5017327), (182, 2867044), (239, 2183272), (364, 1433522), (478, 1091636), (728, 716761), (956, 545818), (1673, 311896), (1912, 272909), (2999, 173992), (3107, 167944), (3346, 155948), (5998, 86996), (6214, 83972), (6692, 77974), (11996, 43498), (12428, 41986), (13384, 38987), (20993, 24856), (21749, 23992)]