31340394

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 69750720

約数和(自身を除く): 38410326

約数列:

[1, 2, 3, 6, 9, 18, 71, 137, 142, 179, 213, 274, 358, 411, 426, 537, 639, 822, 1074, 1233, 1278, 1611, 2466, 3222, 9727, 12709, 19454, 24523, 25418, 29181, 38127, 49046, 58362, 73569, 76254, 87543, 114381, 147138, 175086, 220707, 228762, 441414, 1741133, 3482266, 5223399, 10446798, 15670197, 31340394]

約数ペア:

[(1, 31340394), (2, 15670197), (3, 10446798), (6, 5223399), (9, 3482266), (18, 1741133), (71, 441414), (137, 228762), (142, 220707), (179, 175086), (213, 147138), (274, 114381), (358, 87543), (411, 76254), (426, 73569), (537, 58362), (639, 49046), (822, 38127), (1074, 29181), (1233, 25418), (1278, 24523), (1611, 19454), (2466, 12709), (3222, 9727)]