308969908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 595561680

約数和(自身を除く): 286591772

約数列:

[1, 2, 4, 13, 26, 52, 89, 101, 178, 202, 356, 404, 661, 1157, 1313, 1322, 2314, 2626, 2644, 4628, 5252, 8593, 8989, 17186, 17978, 34372, 35956, 58829, 66761, 116857, 117658, 133522, 233714, 235316, 267044, 467428, 764777, 867893, 1529554, 1735786, 3059108, 3471572, 5941729, 11883458, 23766916, 77242477, 154484954, 308969908]

約数ペア:

[(1, 308969908), (2, 154484954), (4, 77242477), (13, 23766916), (26, 11883458), (52, 5941729), (89, 3471572), (101, 3059108), (178, 1735786), (202, 1529554), (356, 867893), (404, 764777), (661, 467428), (1157, 267044), (1313, 235316), (1322, 233714), (2314, 133522), (2626, 117658), (2644, 116857), (4628, 66761), (5252, 58829), (8593, 35956), (8989, 34372), (17186, 17978)]