311949756

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 806682240

約数和(自身を除く): 494732484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 227, 236, 354, 454, 531, 647, 681, 708, 908, 1062, 1294, 1362, 1941, 2043, 2124, 2588, 2724, 3882, 4086, 5823, 7764, 8172, 11646, 13393, 23292, 26786, 38173, 40179, 53572, 76346, 80358, 114519, 120537, 146869, 152692, 160716, 229038, 241074, 293738, 343557, 440607, 458076, 482148, 587476, 687114, 881214, 1321821, 1374228, 1762428, 2643642, 5287284, 8665271, 17330542, 25995813, 34661084, 51991626, 77987439, 103983252, 155974878, 311949756]

約数ペア:

[(1, 311949756), (2, 155974878), (3, 103983252), (4, 77987439), (6, 51991626), (9, 34661084), (12, 25995813), (18, 17330542), (36, 8665271), (59, 5287284), (118, 2643642), (177, 1762428), (227, 1374228), (236, 1321821), (354, 881214), (454, 687114), (531, 587476), (647, 482148), (681, 458076), (708, 440607), (908, 343557), (1062, 293738), (1294, 241074), (1362, 229038), (1941, 160716), (2043, 152692), (2124, 146869), (2588, 120537), (2724, 114519), (3882, 80358), (4086, 76346), (5823, 53572), (7764, 40179), (8172, 38173), (11646, 26786), (13393, 23292)]