90207908

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 186157440

約数和(自身を除く): 95949532

約数列:

[1, 2, 4, 7, 14, 28, 53, 89, 106, 178, 212, 356, 371, 623, 683, 742, 1246, 1366, 1484, 2492, 2732, 4717, 4781, 9434, 9562, 18868, 19124, 33019, 36199, 60787, 66038, 72398, 121574, 132076, 144796, 243148, 253393, 425509, 506786, 851018, 1013572, 1702036, 3221711, 6443422, 12886844, 22551977, 45103954, 90207908]

約数ペア:

[(1, 90207908), (2, 45103954), (4, 22551977), (7, 12886844), (14, 6443422), (28, 3221711), (53, 1702036), (89, 1013572), (106, 851018), (178, 506786), (212, 425509), (356, 253393), (371, 243148), (623, 144796), (683, 132076), (742, 121574), (1246, 72398), (1366, 66038), (1484, 60787), (2492, 36199), (2732, 33019), (4717, 19124), (4781, 18868), (9434, 9562)]