218920227956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1227379}}^1$

素因数の和:1227504

約数の個数: 48

約数和(自身を含む): 421884872640

約数和(自身を除く): 202964644684

約数列:

[1, 2, 4, 17, 34, 43, 61, 68, 86, 122, 172, 244, 731, 1037, 1462, 2074, 2623, 2924, 4148, 5246, 10492, 44591, 89182, 178364, 1227379, 2454758, 4909516, 20865443, 41730886, 52777297, 74870119, 83461772, 105554594, 149740238, 211109188, 299480476, 897214049, 1272792023, 1794428098, 2545584046, 3219415117, 3588856196, 5091168092, 6438830234, 12877660468, 54730056989, 109460113978, 218920227956]

約数ペア:

[(1, 218920227956), (2, 109460113978), (4, 54730056989), (17, 12877660468), (34, 6438830234), (43, 5091168092), (61, 3588856196), (68, 3219415117), (86, 2545584046), (122, 1794428098), (172, 1272792023), (244, 897214049), (731, 299480476), (1037, 211109188), (1462, 149740238), (2074, 105554594), (2623, 83461772), (2924, 74870119), (4148, 52777297), (5246, 41730886), (10492, 20865443), (44591, 4909516), (89182, 2454758), (178364, 1227379)]