1987149942

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{4987}}^1$

素因数の和:5202

約数の個数: 64

約数和(自身を含む): 4539479040

約数和(自身を除く): 2552329098

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 157, 282, 314, 423, 471, 846, 942, 1269, 1413, 2538, 2826, 4239, 4987, 7379, 8478, 9974, 14758, 14961, 22137, 29922, 44274, 44883, 66411, 89766, 132822, 134649, 199233, 234389, 269298, 398466, 468778, 703167, 782959, 1406334, 1565918, 2109501, 2348877, 4219002, 4697754, 6328503, 7046631, 12657006, 14093262, 21139893, 36799073, 42279786, 73598146, 110397219, 220794438, 331191657, 662383314, 993574971, 1987149942]

約数ペア:

[(1, 1987149942), (2, 993574971), (3, 662383314), (6, 331191657), (9, 220794438), (18, 110397219), (27, 73598146), (47, 42279786), (54, 36799073), (94, 21139893), (141, 14093262), (157, 12657006), (282, 7046631), (314, 6328503), (423, 4697754), (471, 4219002), (846, 2348877), (942, 2109501), (1269, 1565918), (1413, 1406334), (2538, 782959), (2826, 703167), (4239, 468778), (4987, 398466), (7379, 269298), (8478, 234389), (9974, 199233), (14758, 134649), (14961, 132822), (22137, 89766), (29922, 66411), (44274, 44883)]