158981778

素因数分解:

$2^1\times 3^7\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1955

約数の個数: 64

約数和(自身を含む): 376675200

約数和(自身を除く): 217693422

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 729, 1026, 1458, 1539, 1913, 2187, 3078, 3826, 4374, 4617, 5739, 9234, 11478, 13851, 17217, 27702, 34434, 36347, 41553, 51651, 72694, 83106, 103302, 109041, 154953, 218082, 309906, 327123, 464859, 654246, 929718, 981369, 1394577, 1962738, 2789154, 2944107, 4183731, 5888214, 8367462, 8832321, 17664642, 26496963, 52993926, 79490889, 158981778]

約数ペア:

[(1, 158981778), (2, 79490889), (3, 52993926), (6, 26496963), (9, 17664642), (18, 8832321), (19, 8367462), (27, 5888214), (38, 4183731), (54, 2944107), (57, 2789154), (81, 1962738), (114, 1394577), (162, 981369), (171, 929718), (243, 654246), (342, 464859), (486, 327123), (513, 309906), (729, 218082), (1026, 154953), (1458, 109041), (1539, 103302), (1913, 83106), (2187, 72694), (3078, 51651), (3826, 41553), (4374, 36347), (4617, 34434), (5739, 27702), (9234, 17217), (11478, 13851)]