15665938379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1217}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 20950223616

約数和(自身を除く): 5284285237

約数列:

[1, 7, 13, 17, 53, 91, 119, 157, 221, 371, 689, 901, 1099, 1217, 1547, 2041, 2669, 4823, 6307, 8321, 8519, 11713, 14287, 15821, 18683, 20689, 34697, 58247, 64501, 81991, 108173, 110747, 141457, 144823, 191069, 242879, 268957, 451507, 757211, 838513, 990199, 1096517, 1337483, 1838941, 1882699, 2483897, 3248173, 5869591, 7675619, 10126657, 12872587, 14254721, 17387279, 22737211, 42226249, 70886599, 99783047, 131646541, 172153169, 295583743, 921525787, 1205072183, 2237991197, 15665938379]

約数ペア:

[(1, 15665938379), (7, 2237991197), (13, 1205072183), (17, 921525787), (53, 295583743), (91, 172153169), (119, 131646541), (157, 99783047), (221, 70886599), (371, 42226249), (689, 22737211), (901, 17387279), (1099, 14254721), (1217, 12872587), (1547, 10126657), (2041, 7675619), (2669, 5869591), (4823, 3248173), (6307, 2483897), (8321, 1882699), (8519, 1838941), (11713, 1337483), (14287, 1096517), (15821, 990199), (18683, 838513), (20689, 757211), (34697, 451507), (58247, 268957), (64501, 242879), (81991, 191069), (108173, 144823), (110747, 141457)]