28773316

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 63345240

約数和(自身を除く): 34571924

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 121, 143, 187, 221, 242, 269, 286, 374, 442, 484, 538, 572, 748, 884, 1076, 1573, 2057, 2431, 2959, 3146, 3497, 4114, 4573, 4862, 5918, 6292, 6994, 8228, 9146, 9724, 11836, 13988, 18292, 26741, 32549, 38467, 50303, 53482, 59449, 65098, 76934, 100606, 106964, 118898, 130196, 153868, 201212, 237796, 423137, 553333, 653939, 846274, 1106666, 1307878, 1692548, 2213332, 2615756, 7193329, 14386658, 28773316]

約数ペア:

[(1, 28773316), (2, 14386658), (4, 7193329), (11, 2615756), (13, 2213332), (17, 1692548), (22, 1307878), (26, 1106666), (34, 846274), (44, 653939), (52, 553333), (68, 423137), (121, 237796), (143, 201212), (187, 153868), (221, 130196), (242, 118898), (269, 106964), (286, 100606), (374, 76934), (442, 65098), (484, 59449), (538, 53482), (572, 50303), (748, 38467), (884, 32549), (1076, 26741), (1573, 18292), (2057, 13988), (2431, 11836), (2959, 9724), (3146, 9146), (3497, 8228), (4114, 6994), (4573, 6292), (4862, 5918)]