28545608

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 66648960

約数和(自身を除く): 38103352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 113, 182, 226, 347, 364, 452, 694, 728, 791, 904, 1388, 1469, 1582, 2429, 2776, 2938, 3164, 4511, 4858, 5876, 6328, 9022, 9716, 10283, 11752, 18044, 19432, 20566, 31577, 36088, 39211, 41132, 63154, 78422, 82264, 126308, 156844, 252616, 274477, 313688, 509743, 548954, 1019486, 1097908, 2038972, 2195816, 3568201, 4077944, 7136402, 14272804, 28545608]

約数ペア:

[(1, 28545608), (2, 14272804), (4, 7136402), (7, 4077944), (8, 3568201), (13, 2195816), (14, 2038972), (26, 1097908), (28, 1019486), (52, 548954), (56, 509743), (91, 313688), (104, 274477), (113, 252616), (182, 156844), (226, 126308), (347, 82264), (364, 78422), (452, 63154), (694, 41132), (728, 39211), (791, 36088), (904, 31577), (1388, 20566), (1469, 19432), (1582, 18044), (2429, 11752), (2776, 10283), (2938, 9716), (3164, 9022), (4511, 6328), (4858, 5876)]