28987656

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 75297600

約数和(自身を除く): 46309944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 89, 123, 164, 178, 246, 267, 328, 331, 356, 492, 534, 662, 712, 984, 993, 1068, 1324, 1986, 2136, 2648, 3649, 3972, 7298, 7944, 10947, 13571, 14596, 21894, 27142, 29192, 29459, 40713, 43788, 54284, 58918, 81426, 87576, 88377, 108568, 117836, 162852, 176754, 235672, 325704, 353508, 707016, 1207819, 2415638, 3623457, 4831276, 7246914, 9662552, 14493828, 28987656]

約数ペア:

[(1, 28987656), (2, 14493828), (3, 9662552), (4, 7246914), (6, 4831276), (8, 3623457), (12, 2415638), (24, 1207819), (41, 707016), (82, 353508), (89, 325704), (123, 235672), (164, 176754), (178, 162852), (246, 117836), (267, 108568), (328, 88377), (331, 87576), (356, 81426), (492, 58918), (534, 54284), (662, 43788), (712, 40713), (984, 29459), (993, 29192), (1068, 27142), (1324, 21894), (1986, 14596), (2136, 13571), (2648, 10947), (3649, 7944), (3972, 7298)]