1649204830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{4091}}^1$

素因数の和:4561

約数の個数: 64

約数和(自身を含む): 3662765568

約数和(自身を除く): 2013560738

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 443, 455, 886, 910, 2215, 3101, 4091, 4430, 5759, 6202, 8182, 11518, 15505, 20455, 28637, 28795, 31010, 40313, 40910, 53183, 57274, 57590, 80626, 106366, 143185, 201565, 265915, 286370, 372281, 403130, 531830, 744562, 1812313, 1861405, 3624626, 3722810, 9061565, 12686191, 18123130, 23560069, 25372382, 47120138, 63430955, 117800345, 126861910, 164920483, 235600690, 329840966, 824602415, 1649204830]

約数ペア:

[(1, 1649204830), (2, 824602415), (5, 329840966), (7, 235600690), (10, 164920483), (13, 126861910), (14, 117800345), (26, 63430955), (35, 47120138), (65, 25372382), (70, 23560069), (91, 18123130), (130, 12686191), (182, 9061565), (443, 3722810), (455, 3624626), (886, 1861405), (910, 1812313), (2215, 744562), (3101, 531830), (4091, 403130), (4430, 372281), (5759, 286370), (6202, 265915), (8182, 201565), (11518, 143185), (15505, 106366), (20455, 80626), (28637, 57590), (28795, 57274), (31010, 53183), (40313, 40910)]