28738812

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 40208388

約数列:

[1, 2, 3, 4, 6, 12, 71, 89, 142, 178, 213, 267, 284, 356, 379, 426, 534, 758, 852, 1068, 1137, 1516, 2274, 4548, 6319, 12638, 18957, 25276, 26909, 33731, 37914, 53818, 67462, 75828, 80727, 101193, 107636, 134924, 161454, 202386, 322908, 404772, 2394901, 4789802, 7184703, 9579604, 14369406, 28738812]

約数ペア:

[(1, 28738812), (2, 14369406), (3, 9579604), (4, 7184703), (6, 4789802), (12, 2394901), (71, 404772), (89, 322908), (142, 202386), (178, 161454), (213, 134924), (267, 107636), (284, 101193), (356, 80727), (379, 75828), (426, 67462), (534, 53818), (758, 37914), (852, 33731), (1068, 26909), (1137, 25276), (1516, 18957), (2274, 12638), (4548, 6319)]