7940751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 14515200

約数和(自身を除く): 6574449

約数列:

[1, 3, 7, 13, 17, 21, 29, 39, 51, 59, 87, 91, 119, 177, 203, 221, 273, 357, 377, 413, 493, 609, 663, 767, 1003, 1131, 1239, 1479, 1547, 1711, 2301, 2639, 3009, 3451, 4641, 5133, 5369, 6409, 7021, 7917, 10353, 11977, 13039, 16107, 19227, 21063, 22243, 29087, 35931, 39117, 44863, 66729, 87261, 91273, 134589, 155701, 203609, 273819, 378131, 467103, 610827, 1134393, 2646917, 7940751]

約数ペア:

[(1, 7940751), (3, 2646917), (7, 1134393), (13, 610827), (17, 467103), (21, 378131), (29, 273819), (39, 203609), (51, 155701), (59, 134589), (87, 91273), (91, 87261), (119, 66729), (177, 44863), (203, 39117), (221, 35931), (273, 29087), (357, 22243), (377, 21063), (413, 19227), (493, 16107), (609, 13039), (663, 11977), (767, 10353), (1003, 7917), (1131, 7021), (1239, 6409), (1479, 5369), (1547, 5133), (1711, 4641), (2301, 3451), (2639, 3009)]