221674178

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1383

約数の個数: 48

約数和(自身を含む): 395424960

約数和(自身を除く): 173750782

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 121, 209, 242, 407, 418, 703, 814, 1303, 1406, 2299, 2606, 4477, 4598, 7733, 8954, 14333, 15466, 24757, 28666, 48211, 49514, 85063, 96422, 157663, 170126, 272327, 315326, 530321, 544654, 916009, 1060642, 1832018, 2995597, 5833531, 5991194, 10076099, 11667062, 20152198, 110837089, 221674178]

約数ペア:

[(1, 221674178), (2, 110837089), (11, 20152198), (19, 11667062), (22, 10076099), (37, 5991194), (38, 5833531), (74, 2995597), (121, 1832018), (209, 1060642), (242, 916009), (407, 544654), (418, 530321), (703, 315326), (814, 272327), (1303, 170126), (1406, 157663), (2299, 96422), (2606, 85063), (4477, 49514), (4598, 48211), (7733, 28666), (8954, 24757), (14333, 15466)]