213258136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{641}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 493980480

約数和(自身を除く): 280722344

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 457, 641, 728, 914, 1282, 1828, 2564, 3199, 3656, 4487, 5128, 5941, 6398, 8333, 8974, 11882, 12796, 16666, 17948, 23764, 25592, 33332, 35896, 41587, 47528, 58331, 66664, 83174, 116662, 166348, 233324, 292937, 332696, 466648, 585874, 1171748, 2050559, 2343496, 3808181, 4101118, 7616362, 8202236, 15232724, 16404472, 26657267, 30465448, 53314534, 106629068, 213258136]

約数ペア:

[(1, 213258136), (2, 106629068), (4, 53314534), (7, 30465448), (8, 26657267), (13, 16404472), (14, 15232724), (26, 8202236), (28, 7616362), (52, 4101118), (56, 3808181), (91, 2343496), (104, 2050559), (182, 1171748), (364, 585874), (457, 466648), (641, 332696), (728, 292937), (914, 233324), (1282, 166348), (1828, 116662), (2564, 83174), (3199, 66664), (3656, 58331), (4487, 47528), (5128, 41587), (5941, 35896), (6398, 33332), (8333, 25592), (8974, 23764), (11882, 17948), (12796, 16666)]