311903172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1913}}^1$

素因数の和:2577

約数の個数: 72

約数和(自身を含む): 902918016

約数和(自身を除く): 591014844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 647, 1294, 1913, 1941, 2588, 3826, 3882, 4529, 5739, 5823, 7652, 7764, 9058, 11478, 11646, 13391, 13587, 17217, 18116, 22956, 23292, 26782, 27174, 34434, 40173, 40761, 53564, 54348, 68868, 80346, 81522, 120519, 160692, 163044, 241038, 482076, 1237711, 2475422, 3713133, 4950844, 7426266, 8663977, 11139399, 14852532, 17327954, 22278798, 25991931, 34655908, 44557596, 51983862, 77975793, 103967724, 155951586, 311903172]

約数ペア:

[(1, 311903172), (2, 155951586), (3, 103967724), (4, 77975793), (6, 51983862), (7, 44557596), (9, 34655908), (12, 25991931), (14, 22278798), (18, 17327954), (21, 14852532), (28, 11139399), (36, 8663977), (42, 7426266), (63, 4950844), (84, 3713133), (126, 2475422), (252, 1237711), (647, 482076), (1294, 241038), (1913, 163044), (1941, 160692), (2588, 120519), (3826, 81522), (3882, 80346), (4529, 68868), (5739, 54348), (5823, 53564), (7652, 40761), (7764, 40173), (9058, 34434), (11478, 27174), (11646, 26782), (13391, 23292), (13587, 22956), (17217, 18116)]