197223728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{8699}}^1$

素因数の和:8829

約数の個数: 40

約数和(自身を含む): 415338000

約数和(自身を除く): 218114272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 8699, 11336, 17398, 22672, 34796, 69592, 113087, 139184, 226174, 452348, 904696, 948191, 1809392, 1896382, 3792764, 7585528, 12326483, 15171056, 24652966, 49305932, 98611864, 197223728]

約数ペア:

[(1, 197223728), (2, 98611864), (4, 49305932), (8, 24652966), (13, 15171056), (16, 12326483), (26, 7585528), (52, 3792764), (104, 1896382), (109, 1809392), (208, 948191), (218, 904696), (436, 452348), (872, 226174), (1417, 139184), (1744, 113087), (2834, 69592), (5668, 34796), (8699, 22672), (11336, 17398)]