28973308

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 64752912

約数和(自身を除く): 35779604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 83, 91, 98, 137, 166, 182, 196, 274, 332, 364, 548, 581, 637, 959, 1079, 1162, 1274, 1781, 1918, 2158, 2324, 2548, 3562, 3836, 4067, 4316, 6713, 7124, 7553, 8134, 11371, 12467, 13426, 15106, 16268, 22742, 24934, 26852, 30212, 45484, 49868, 52871, 79597, 87269, 105742, 147823, 159194, 174538, 211484, 295646, 318388, 349076, 557179, 591292, 1034761, 1114358, 2069522, 2228716, 4139044, 7243327, 14486654, 28973308]

約数ペア:

[(1, 28973308), (2, 14486654), (4, 7243327), (7, 4139044), (13, 2228716), (14, 2069522), (26, 1114358), (28, 1034761), (49, 591292), (52, 557179), (83, 349076), (91, 318388), (98, 295646), (137, 211484), (166, 174538), (182, 159194), (196, 147823), (274, 105742), (332, 87269), (364, 79597), (548, 52871), (581, 49868), (637, 45484), (959, 30212), (1079, 26852), (1162, 24934), (1274, 22742), (1781, 16268), (1918, 15106), (2158, 13426), (2324, 12467), (2548, 11371), (3562, 8134), (3836, 7553), (4067, 7124), (4316, 6713)]