211328988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20219}}^1$

素因数の和:20306

約数の個数: 48

約数和(自身を含む): 538984320

約数和(自身を除く): 327655332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 2613, 3484, 5226, 10452, 20219, 40438, 60657, 80876, 121314, 242628, 262847, 525694, 788541, 1051388, 1354673, 1577082, 2709346, 3154164, 4064019, 5418692, 8128038, 16256076, 17610749, 35221498, 52832247, 70442996, 105664494, 211328988]

約数ペア:

[(1, 211328988), (2, 105664494), (3, 70442996), (4, 52832247), (6, 35221498), (12, 17610749), (13, 16256076), (26, 8128038), (39, 5418692), (52, 4064019), (67, 3154164), (78, 2709346), (134, 1577082), (156, 1354673), (201, 1051388), (268, 788541), (402, 525694), (804, 262847), (871, 242628), (1742, 121314), (2613, 80876), (3484, 60657), (5226, 40438), (10452, 20219)]