408787652

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{2887}}^1$

素因数の和:3300

約数の個数: 48

約数和(自身を含む): 883034880

約数和(自身を除く): 474247228

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 389, 778, 1556, 2723, 2887, 5057, 5446, 5774, 10114, 10892, 11548, 20209, 20228, 35399, 37531, 40418, 70798, 75062, 80836, 141596, 150124, 262717, 525434, 1050868, 1123043, 2246086, 4492172, 7861301, 14599559, 15722602, 29199118, 31445204, 58398236, 102196913, 204393826, 408787652]

約数ペア:

[(1, 408787652), (2, 204393826), (4, 102196913), (7, 58398236), (13, 31445204), (14, 29199118), (26, 15722602), (28, 14599559), (52, 7861301), (91, 4492172), (182, 2246086), (364, 1123043), (389, 1050868), (778, 525434), (1556, 262717), (2723, 150124), (2887, 141596), (5057, 80836), (5446, 75062), (5774, 70798), (10114, 40418), (10892, 37531), (11548, 35399), (20209, 20228)]