28104768524

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{743}}^1$

素因数の和:1239

約数の個数: 96

約数和(自身を含む): 58406261760

約数和(自身を除く): 30301493236

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 89, 172, 178, 301, 353, 356, 602, 623, 706, 743, 1204, 1246, 1412, 1486, 2471, 2492, 2972, 3827, 4942, 5201, 7654, 9884, 10402, 15179, 15308, 20804, 26789, 30358, 31417, 31949, 53578, 60716, 62834, 63898, 66127, 106253, 107156, 125668, 127796, 132254, 212506, 219919, 223643, 262279, 264508, 425012, 439838, 447286, 462889, 524558, 879676, 894572, 925778, 1049116, 1350931, 1835953, 1851556, 2701862, 2843461, 3671906, 5403724, 5686922, 7343812, 9456517, 11277997, 11373844, 18913034, 19904227, 22555994, 23342831, 37826068, 39808454, 45111988, 46685662, 78945979, 79616908, 93371324, 157891958, 163399817, 315783916, 326799634, 653599268, 1003741733, 2007483466, 4014966932, 7026192131, 14052384262, 28104768524]

約数ペア:

[(1, 28104768524), (2, 14052384262), (4, 7026192131), (7, 4014966932), (14, 2007483466), (28, 1003741733), (43, 653599268), (86, 326799634), (89, 315783916), (172, 163399817), (178, 157891958), (301, 93371324), (353, 79616908), (356, 78945979), (602, 46685662), (623, 45111988), (706, 39808454), (743, 37826068), (1204, 23342831), (1246, 22555994), (1412, 19904227), (1486, 18913034), (2471, 11373844), (2492, 11277997), (2972, 9456517), (3827, 7343812), (4942, 5686922), (5201, 5403724), (7654, 3671906), (9884, 2843461), (10402, 2701862), (15179, 1851556), (15308, 1835953), (20804, 1350931), (26789, 1049116), (30358, 925778), (31417, 894572), (31949, 879676), (53578, 524558), (60716, 462889), (62834, 447286), (63898, 439838), (66127, 425012), (106253, 264508), (107156, 262279), (125668, 223643), (127796, 219919), (132254, 212506)]