219989308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{3119}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 482227200

約数和(自身を除く): 262237892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 229, 308, 458, 916, 1603, 2519, 3119, 3206, 5038, 6238, 6412, 10076, 12476, 17633, 21833, 34309, 35266, 43666, 68618, 70532, 87332, 137236, 240163, 480326, 714251, 960652, 1428502, 2857004, 4999757, 7856761, 9999514, 15713522, 19999028, 31427044, 54997327, 109994654, 219989308]

約数ペア:

[(1, 219989308), (2, 109994654), (4, 54997327), (7, 31427044), (11, 19999028), (14, 15713522), (22, 9999514), (28, 7856761), (44, 4999757), (77, 2857004), (154, 1428502), (229, 960652), (308, 714251), (458, 480326), (916, 240163), (1603, 137236), (2519, 87332), (3119, 70532), (3206, 68618), (5038, 43666), (6238, 35266), (6412, 34309), (10076, 21833), (12476, 17633)]