1893669505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1\times {\mathrm{823}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 2822826240

約数和(自身を除く): 929156735

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 389, 455, 823, 845, 1183, 1945, 2723, 4115, 5057, 5761, 5915, 10699, 13615, 25285, 28805, 35399, 53495, 65741, 74893, 139087, 176995, 320147, 328705, 374465, 460187, 695435, 973609, 1600735, 2241029, 2300935, 4161911, 4868045, 11205145, 20809555, 29133377, 54104843, 145666885, 270524215, 378733901, 1893669505]

約数ペア:

[(1, 1893669505), (5, 378733901), (7, 270524215), (13, 145666885), (35, 54104843), (65, 29133377), (91, 20809555), (169, 11205145), (389, 4868045), (455, 4161911), (823, 2300935), (845, 2241029), (1183, 1600735), (1945, 973609), (2723, 695435), (4115, 460187), (5057, 374465), (5761, 328705), (5915, 320147), (10699, 176995), (13615, 139087), (25285, 74893), (28805, 65741), (35399, 53495)]