28420128

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{8971}}^1$

素因数の和:8998

約数の個数: 72

約数和(自身を含む): 88176816

約数和(自身を除く): 59756688

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 8971, 17942, 26913, 35884, 53826, 71768, 80739, 98681, 107652, 143536, 161478, 197362, 215304, 287072, 296043, 322956, 394724, 430608, 592086, 645912, 789448, 861216, 888129, 1184172, 1291824, 1578896, 1776258, 2368344, 2583648, 3157792, 3552516, 4736688, 7105032, 9473376, 14210064, 28420128]

約数ペア:

[(1, 28420128), (2, 14210064), (3, 9473376), (4, 7105032), (6, 4736688), (8, 3552516), (9, 3157792), (11, 2583648), (12, 2368344), (16, 1776258), (18, 1578896), (22, 1291824), (24, 1184172), (32, 888129), (33, 861216), (36, 789448), (44, 645912), (48, 592086), (66, 430608), (72, 394724), (88, 322956), (96, 296043), (99, 287072), (132, 215304), (144, 197362), (176, 161478), (198, 143536), (264, 107652), (288, 98681), (352, 80739), (396, 71768), (528, 53826), (792, 35884), (1056, 26913), (1584, 17942), (3168, 8971)]