28376656

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 70852608

約数和(自身を除く): 42475952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 496, 616, 682, 743, 868, 1232, 1364, 1486, 1736, 2387, 2728, 2972, 3472, 4774, 5201, 5456, 5944, 8173, 9548, 10402, 11888, 16346, 19096, 20804, 23033, 32692, 38192, 41608, 46066, 57211, 65384, 83216, 92132, 114422, 130768, 161231, 184264, 228844, 253363, 322462, 368528, 457688, 506726, 644924, 915376, 1013452, 1289848, 1773541, 2026904, 2579696, 3547082, 4053808, 7094164, 14188328, 28376656]

約数ペア:

[(1, 28376656), (2, 14188328), (4, 7094164), (7, 4053808), (8, 3547082), (11, 2579696), (14, 2026904), (16, 1773541), (22, 1289848), (28, 1013452), (31, 915376), (44, 644924), (56, 506726), (62, 457688), (77, 368528), (88, 322462), (112, 253363), (124, 228844), (154, 184264), (176, 161231), (217, 130768), (248, 114422), (308, 92132), (341, 83216), (434, 65384), (496, 57211), (616, 46066), (682, 41608), (743, 38192), (868, 32692), (1232, 23033), (1364, 20804), (1486, 19096), (1736, 16346), (2387, 11888), (2728, 10402), (2972, 9548), (3472, 8173), (4774, 5944), (5201, 5456)]